Home / 461,214.20-691,821.30-382,482.20

Finding the Fourth Proportional to 461,214.20, 691,821.30 and 382,482.20

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Solution

The fourth proportional to 461,214.20, 691,821.30 and 382,482.20 is: 573,723.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,214.20 : 691,821.30 = 382,482.20 : x
  2. Step 2: Convert to fraction form
    461,214.20/691,821.30 = 382,482.20/x
  3. Step 3: Cross multiply
    461,214.20x = 691,821.30 × 382,482.20
  4. Step 4: Simplify right side
    461,214.20x = 264,609,332,830.86
  5. Step 5: Solve for x
    x = 264,609,332,830.86/461,214.20
  6. Step 6: Final answer
    x = 573,723.30

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Double scale
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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.