Home / 935,789.40-1,403,684.10-817,691.40

Finding the Fourth Proportional to 935,789.40, 1,403,684.10 and 817,691.40

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Solution

The fourth proportional to 935,789.40, 1,403,684.10 and 817,691.40 is: 1,226,537.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,789.40 : 1,403,684.10 = 817,691.40 : x
  2. Step 2: Convert to fraction form
    935,789.40/1,403,684.10 = 817,691.40/x
  3. Step 3: Cross multiply
    935,789.40x = 1,403,684.10 × 817,691.40
  4. Step 4: Simplify right side
    935,789.40x = 1,147,780,416,886.74
  5. Step 5: Solve for x
    x = 1,147,780,416,886.74/935,789.40
  6. Step 6: Final answer
    x = 1,226,537.10

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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.