Home / 935,170.11-1,290,508.79-527,268.33

Finding the Fourth Proportional to 935,170.11, 1,290,508.79 and 527,268.33

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Solution

The fourth proportional to 935,170.11, 1,290,508.79 and 527,268.33 is: 727,615.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,170.11 : 1,290,508.79 = 527,268.33 : x
  2. Step 2: Convert to fraction form
    935,170.11/1,290,508.79 = 527,268.33/x
  3. Step 3: Cross multiply
    935,170.11x = 1,290,508.79 × 527,268.33
  4. Step 4: Simplify right side
    935,170.11x = 680,444,411,917.28
  5. Step 5: Solve for x
    x = 680,444,411,917.28/935,170.11
  6. Step 6: Final answer
    x = 727,615.65

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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.