Home / 437,566.20-656,349.30-279,972.60

Finding the Fourth Proportional to 437,566.20, 656,349.30 and 279,972.60

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Solution

The fourth proportional to 437,566.20, 656,349.30 and 279,972.60 is: 419,958.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,566.20 : 656,349.30 = 279,972.60 : x
  2. Step 2: Convert to fraction form
    437,566.20/656,349.30 = 279,972.60/x
  3. Step 3: Cross multiply
    437,566.20x = 656,349.30 × 279,972.60
  4. Step 4: Simplify right side
    437,566.20x = 183,759,820,029.18
  5. Step 5: Solve for x
    x = 183,759,820,029.18/437,566.20
  6. Step 6: Final answer
    x = 419,958.90

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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.