Home / 726,729.60-1,088,126.10-569,265.60

Finding the Fourth Proportional to 726,729.60, 1,088,126.10 and 569,265.60

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Solution

The fourth proportional to 726,729.60, 1,088,126.10 and 569,265.60 is: 852,356.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,729.60 : 1,088,126.10 = 569,265.60 : x
  2. Step 2: Convert to fraction form
    726,729.60/1,088,126.10 = 569,265.60/x
  3. Step 3: Cross multiply
    726,729.60x = 1,088,126.10 × 569,265.60
  4. Step 4: Simplify right side
    726,729.60x = 619,432,757,192.16
  5. Step 5: Solve for x
    x = 619,432,757,192.16/726,729.60
  6. Step 6: Final answer
    x = 852,356.58

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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.