Home / 437,941.28-656,911.92-105,517.28

Finding the Fourth Proportional to 437,941.28, 656,911.92 and 105,517.28

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Solution

The fourth proportional to 437,941.28, 656,911.92 and 105,517.28 is: 158,275.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,941.28 : 656,911.92 = 105,517.28 : x
  2. Step 2: Convert to fraction form
    437,941.28/656,911.92 = 105,517.28/x
  3. Step 3: Cross multiply
    437,941.28x = 656,911.92 × 105,517.28
  4. Step 4: Simplify right side
    437,941.28x = 69,315,558,997.98
  5. Step 5: Solve for x
    x = 69,315,558,997.98/437,941.28
  6. Step 6: Final answer
    x = 158,275.92

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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.