Home / 880,706.97-1,215,354.91-518,154.16

Finding the Fourth Proportional to 880,706.97, 1,215,354.91 and 518,154.16

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Solution

The fourth proportional to 880,706.97, 1,215,354.91 and 518,154.16 is: 715,040.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,706.97 : 1,215,354.91 = 518,154.16 : x
  2. Step 2: Convert to fraction form
    880,706.97/1,215,354.91 = 518,154.16/x
  3. Step 3: Cross multiply
    880,706.97x = 1,215,354.91 × 518,154.16
  4. Step 4: Simplify right side
    880,706.97x = 629,741,193,825.38
  5. Step 5: Solve for x
    x = 629,741,193,825.38/880,706.97
  6. Step 6: Final answer
    x = 715,040.55

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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.