Home / 935,628.96-1,291,165.98-527,729.52

Finding the Fourth Proportional to 935,628.96, 1,291,165.98 and 527,729.52

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Solution

The fourth proportional to 935,628.96, 1,291,165.98 and 527,729.52 is: 728,265.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,628.96 : 1,291,165.98 = 527,729.52 : x
  2. Step 2: Convert to fraction form
    935,628.96/1,291,165.98 = 527,729.52/x
  3. Step 3: Cross multiply
    935,628.96x = 1,291,165.98 × 527,729.52
  4. Step 4: Simplify right side
    935,628.96x = 681,386,402,865.73
  5. Step 5: Solve for x
    x = 681,386,402,865.73/935,628.96
  6. Step 6: Final answer
    x = 728,265.62

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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.