Home / 760,518.50-1,141,899.20-424,216.22

Finding the Fourth Proportional to 760,518.50, 1,141,899.20 and 424,216.22

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Solution

The fourth proportional to 760,518.50, 1,141,899.20 and 424,216.22 is: 636,949.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,518.50 : 1,141,899.20 = 424,216.22 : x
  2. Step 2: Convert to fraction form
    760,518.50/1,141,899.20 = 424,216.22/x
  3. Step 3: Cross multiply
    760,518.50x = 1,141,899.20 × 424,216.22
  4. Step 4: Simplify right side
    760,518.50x = 484,412,162,245.02
  5. Step 5: Solve for x
    x = 484,412,162,245.02/760,518.50
  6. Step 6: Final answer
    x = 636,949.87

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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.