Home / 437,927.20-656,113.20-409,933.60

Finding the Fourth Proportional to 437,927.20, 656,113.20 and 409,933.60

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Solution

The fourth proportional to 437,927.20, 656,113.20 and 409,933.60 is: 614,172.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,927.20 : 656,113.20 = 409,933.60 : x
  2. Step 2: Convert to fraction form
    437,927.20/656,113.20 = 409,933.60/x
  3. Step 3: Cross multiply
    437,927.20x = 656,113.20 × 409,933.60
  4. Step 4: Simplify right side
    437,927.20x = 268,962,846,083.52
  5. Step 5: Solve for x
    x = 268,962,846,083.52/437,927.20
  6. Step 6: Final answer
    x = 614,172.51

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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.