Home / 932,956.23-1,287,876.85-627,209.94

Finding the Fourth Proportional to 932,956.23, 1,287,876.85 and 627,209.94

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Solution

The fourth proportional to 932,956.23, 1,287,876.85 and 627,209.94 is: 865,816.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,956.23 : 1,287,876.85 = 627,209.94 : x
  2. Step 2: Convert to fraction form
    932,956.23/1,287,876.85 = 627,209.94/x
  3. Step 3: Cross multiply
    932,956.23x = 1,287,876.85 × 627,209.94
  4. Step 4: Simplify right side
    932,956.23x = 807,769,158,679.84
  5. Step 5: Solve for x
    x = 807,769,158,679.84/932,956.23
  6. Step 6: Final answer
    x = 865,816.78

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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.