Home / 859,874.97-1,186,618.89-477,893.55

Finding the Fourth Proportional to 859,874.97, 1,186,618.89 and 477,893.55

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Solution

The fourth proportional to 859,874.97, 1,186,618.89 and 477,893.55 is: 659,488.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,874.97 : 1,186,618.89 = 477,893.55 : x
  2. Step 2: Convert to fraction form
    859,874.97/1,186,618.89 = 477,893.55/x
  3. Step 3: Cross multiply
    859,874.97x = 1,186,618.89 × 477,893.55
  4. Step 4: Simplify right side
    859,874.97x = 567,077,513,839.16
  5. Step 5: Solve for x
    x = 567,077,513,839.16/859,874.97
  6. Step 6: Final answer
    x = 659,488.34

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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.