Home / 932,958.17-1,287,879.51-627,211.87

Finding the Fourth Proportional to 932,958.17, 1,287,879.51 and 627,211.87

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Solution

The fourth proportional to 932,958.17, 1,287,879.51 and 627,211.87 is: 865,819.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,958.17 : 1,287,879.51 = 627,211.87 : x
  2. Step 2: Convert to fraction form
    932,958.17/1,287,879.51 = 627,211.87/x
  3. Step 3: Cross multiply
    932,958.17x = 1,287,879.51 × 627,211.87
  4. Step 4: Simplify right side
    932,958.17x = 807,773,322,178.45
  5. Step 5: Solve for x
    x = 807,773,322,178.45/932,958.17
  6. Step 6: Final answer
    x = 865,819.44

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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.