Home / 440,132.20-660,443.54-237,724.21

Finding the Fourth Proportional to 440,132.20, 660,443.54 and 237,724.21

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Solution

The fourth proportional to 440,132.20, 660,443.54 and 237,724.21 is: 356,718.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,132.20 : 660,443.54 = 237,724.21 : x
  2. Step 2: Convert to fraction form
    440,132.20/660,443.54 = 237,724.21/x
  3. Step 3: Cross multiply
    440,132.20x = 660,443.54 × 237,724.21
  4. Step 4: Simplify right side
    440,132.20x = 157,003,418,796.10
  5. Step 5: Solve for x
    x = 157,003,418,796.10/440,132.20
  6. Step 6: Final answer
    x = 356,718.77

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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.