Home / 869,350.40-1,304,025.60-496,102.40

Finding the Fourth Proportional to 869,350.40, 1,304,025.60 and 496,102.40

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Solution

The fourth proportional to 869,350.40, 1,304,025.60 and 496,102.40 is: 744,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,350.40 : 1,304,025.60 = 496,102.40 : x
  2. Step 2: Convert to fraction form
    869,350.40/1,304,025.60 = 496,102.40/x
  3. Step 3: Cross multiply
    869,350.40x = 1,304,025.60 × 496,102.40
  4. Step 4: Simplify right side
    869,350.40x = 646,930,229,821.44
  5. Step 5: Solve for x
    x = 646,930,229,821.44/869,350.40
  6. Step 6: Final answer
    x = 744,153.60

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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.