Home / 437,928.20-656,114.70-409,934.60

Finding the Fourth Proportional to 437,928.20, 656,114.70 and 409,934.60

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Solution

The fourth proportional to 437,928.20, 656,114.70 and 409,934.60 is: 614,174.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,928.20 : 656,114.70 = 409,934.60 : x
  2. Step 2: Convert to fraction form
    437,928.20/656,114.70 = 409,934.60/x
  3. Step 3: Cross multiply
    437,928.20x = 656,114.70 × 409,934.60
  4. Step 4: Simplify right side
    437,928.20x = 268,964,117,098.62
  5. Step 5: Solve for x
    x = 268,964,117,098.62/437,928.20
  6. Step 6: Final answer
    x = 614,174.01

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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.