Home / 866,780.97-1,196,127.48-479,590.23

Finding the Fourth Proportional to 866,780.97, 1,196,127.48 and 479,590.23

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Solution

The fourth proportional to 866,780.97, 1,196,127.48 and 479,590.23 is: 661,817.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,780.97 : 1,196,127.48 = 479,590.23 : x
  2. Step 2: Convert to fraction form
    866,780.97/1,196,127.48 = 479,590.23/x
  3. Step 3: Cross multiply
    866,780.97x = 1,196,127.48 × 479,590.23
  4. Step 4: Simplify right side
    866,780.97x = 573,651,053,242.52
  5. Step 5: Solve for x
    x = 573,651,053,242.52/866,780.97
  6. Step 6: Final answer
    x = 661,817.78

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Double scale
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1.5x scale

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.