Home / 932,957.98-1,287,879.26-627,211.70

Finding the Fourth Proportional to 932,957.98, 1,287,879.26 and 627,211.70

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Solution

The fourth proportional to 932,957.98, 1,287,879.26 and 627,211.70 is: 865,819.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,957.98 : 1,287,879.26 = 627,211.70 : x
  2. Step 2: Convert to fraction form
    932,957.98/1,287,879.26 = 627,211.70/x
  3. Step 3: Cross multiply
    932,957.98x = 1,287,879.26 × 627,211.70
  4. Step 4: Simplify right side
    932,957.98x = 807,772,940,059.34
  5. Step 5: Solve for x
    x = 807,772,940,059.34/932,957.98
  6. Step 6: Final answer
    x = 865,819.21

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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.