Home / 437,883.20-656,824.80-251,259.20

Finding the Fourth Proportional to 437,883.20, 656,824.80 and 251,259.20

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Solution

The fourth proportional to 437,883.20, 656,824.80 and 251,259.20 is: 376,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,883.20 : 656,824.80 = 251,259.20 : x
  2. Step 2: Convert to fraction form
    437,883.20/656,824.80 = 251,259.20/x
  3. Step 3: Cross multiply
    437,883.20x = 656,824.80 × 251,259.20
  4. Step 4: Simplify right side
    437,883.20x = 165,033,273,788.16
  5. Step 5: Solve for x
    x = 165,033,273,788.16/437,883.20
  6. Step 6: Final answer
    x = 376,888.80

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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.