Home / 760,520.50-1,141,902.20-424,218.22

Finding the Fourth Proportional to 760,520.50, 1,141,902.20 and 424,218.22

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Solution

The fourth proportional to 760,520.50, 1,141,902.20 and 424,218.22 is: 636,952.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,520.50 : 1,141,902.20 = 424,218.22 : x
  2. Step 2: Convert to fraction form
    760,520.50/1,141,902.20 = 424,218.22/x
  3. Step 3: Cross multiply
    760,520.50x = 1,141,902.20 × 424,218.22
  4. Step 4: Simplify right side
    760,520.50x = 484,415,718,698.08
  5. Step 5: Solve for x
    x = 484,415,718,698.08/760,520.50
  6. Step 6: Final answer
    x = 636,952.87

Related Problems

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Half scale
Find fourth proportional to 1,521,041, 2,283,804.40 and 848,436.44
Double scale
Find fourth proportional to 760,521.50, 1,141,903.70 and 424,219.22
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.