Home / 434,543.10-651,814.65-329,567.10

Finding the Fourth Proportional to 434,543.10, 651,814.65 and 329,567.10

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Solution

The fourth proportional to 434,543.10, 651,814.65 and 329,567.10 is: 494,350.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,543.10 : 651,814.65 = 329,567.10 : x
  2. Step 2: Convert to fraction form
    434,543.10/651,814.65 = 329,567.10/x
  3. Step 3: Cross multiply
    434,543.10x = 651,814.65 × 329,567.10
  4. Step 4: Simplify right side
    434,543.10x = 214,816,663,938.02
  5. Step 5: Solve for x
    x = 214,816,663,938.02/434,543.10
  6. Step 6: Final answer
    x = 494,350.65

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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.