Home / 726,772.60-1,090,353.30-516,820.60

Finding the Fourth Proportional to 726,772.60, 1,090,353.30 and 516,820.60

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Solution

The fourth proportional to 726,772.60, 1,090,353.30 and 516,820.60 is: 775,369.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,772.60 : 1,090,353.30 = 516,820.60 : x
  2. Step 2: Convert to fraction form
    726,772.60/1,090,353.30 = 516,820.60/x
  3. Step 3: Cross multiply
    726,772.60x = 1,090,353.30 × 516,820.60
  4. Step 4: Simplify right side
    726,772.60x = 563,517,046,717.98
  5. Step 5: Solve for x
    x = 563,517,046,717.98/726,772.60
  6. Step 6: Final answer
    x = 775,369.14

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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.