Home / 434,519.10-651,778.65-329,543.10

Finding the Fourth Proportional to 434,519.10, 651,778.65 and 329,543.10

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Solution

The fourth proportional to 434,519.10, 651,778.65 and 329,543.10 is: 494,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,519.10 : 651,778.65 = 329,543.10 : x
  2. Step 2: Convert to fraction form
    434,519.10/651,778.65 = 329,543.10/x
  3. Step 3: Cross multiply
    434,519.10x = 651,778.65 × 329,543.10
  4. Step 4: Simplify right side
    434,519.10x = 214,789,156,834.82
  5. Step 5: Solve for x
    x = 214,789,156,834.82/434,519.10
  6. Step 6: Final answer
    x = 494,314.65

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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.