Home / 760,517.50-1,141,897.70-424,215.22

Finding the Fourth Proportional to 760,517.50, 1,141,897.70 and 424,215.22

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Solution

The fourth proportional to 760,517.50, 1,141,897.70 and 424,215.22 is: 636,948.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,517.50 : 1,141,897.70 = 424,215.22 : x
  2. Step 2: Convert to fraction form
    760,517.50/1,141,897.70 = 424,215.22/x
  3. Step 3: Cross multiply
    760,517.50x = 1,141,897.70 × 424,215.22
  4. Step 4: Simplify right side
    760,517.50x = 484,410,381,901.92
  5. Step 5: Solve for x
    x = 484,410,381,901.92/760,517.50
  6. Step 6: Final answer
    x = 636,948.37

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Double scale
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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.