Home / 434,531.10-651,796.65-329,555.10

Finding the Fourth Proportional to 434,531.10, 651,796.65 and 329,555.10

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Solution

The fourth proportional to 434,531.10, 651,796.65 and 329,555.10 is: 494,332.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,531.10 : 651,796.65 = 329,555.10 : x
  2. Step 2: Convert to fraction form
    434,531.10/651,796.65 = 329,555.10/x
  3. Step 3: Cross multiply
    434,531.10x = 651,796.65 × 329,555.10
  4. Step 4: Simplify right side
    434,531.10x = 214,802,910,170.42
  5. Step 5: Solve for x
    x = 214,802,910,170.42/434,531.10
  6. Step 6: Final answer
    x = 494,332.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.