Home / 932,590.40-1,398,885.60-861,731.60

Finding the Fourth Proportional to 932,590.40, 1,398,885.60 and 861,731.60

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Solution

The fourth proportional to 932,590.40, 1,398,885.60 and 861,731.60 is: 1,292,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,590.40 : 1,398,885.60 = 861,731.60 : x
  2. Step 2: Convert to fraction form
    932,590.40/1,398,885.60 = 861,731.60/x
  3. Step 3: Cross multiply
    932,590.40x = 1,398,885.60 × 861,731.60
  4. Step 4: Simplify right side
    932,590.40x = 1,205,463,926,304.96
  5. Step 5: Solve for x
    x = 1,205,463,926,304.96/932,590.40
  6. Step 6: Final answer
    x = 1,292,597.40

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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.