Home / 866,575.20-1,299,862.80-614,632.80

Finding the Fourth Proportional to 866,575.20, 1,299,862.80 and 614,632.80

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Solution

The fourth proportional to 866,575.20, 1,299,862.80 and 614,632.80 is: 921,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,575.20 : 1,299,862.80 = 614,632.80 : x
  2. Step 2: Convert to fraction form
    866,575.20/1,299,862.80 = 614,632.80/x
  3. Step 3: Cross multiply
    866,575.20x = 1,299,862.80 × 614,632.80
  4. Step 4: Simplify right side
    866,575.20x = 798,938,312,379.84
  5. Step 5: Solve for x
    x = 798,938,312,379.84/866,575.20
  6. Step 6: Final answer
    x = 921,949.20

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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.