Home / 826,729.60-1,141,129.20-540,294.16

Finding the Fourth Proportional to 826,729.60, 1,141,129.20 and 540,294.16

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Solution

The fourth proportional to 826,729.60, 1,141,129.20 and 540,294.16 is: 745,764.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,729.60 : 1,141,129.20 = 540,294.16 : x
  2. Step 2: Convert to fraction form
    826,729.60/1,141,129.20 = 540,294.16/x
  3. Step 3: Cross multiply
    826,729.60x = 1,141,129.20 × 540,294.16
  4. Step 4: Simplify right side
    826,729.60x = 616,545,442,565.47
  5. Step 5: Solve for x
    x = 616,545,442,565.47/826,729.60
  6. Step 6: Final answer
    x = 745,764.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.