Home / 558,577.16-770,893.20-329,208.29

Finding the Fourth Proportional to 558,577.16, 770,893.20 and 329,208.29

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Solution

The fourth proportional to 558,577.16, 770,893.20 and 329,208.29 is: 454,340.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,577.16 : 770,893.20 = 329,208.29 : x
  2. Step 2: Convert to fraction form
    558,577.16/770,893.20 = 329,208.29/x
  3. Step 3: Cross multiply
    558,577.16x = 770,893.20 × 329,208.29
  4. Step 4: Simplify right side
    558,577.16x = 253,784,428,290.16
  5. Step 5: Solve for x
    x = 253,784,428,290.16/558,577.16
  6. Step 6: Final answer
    x = 454,340.87

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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.