Home / 331,061.92-456,438.48-240,549.28

Finding the Fourth Proportional to 331,061.92, 456,438.48 and 240,549.28

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Solution

The fourth proportional to 331,061.92, 456,438.48 and 240,549.28 is: 331,647.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,061.92 : 456,438.48 = 240,549.28 : x
  2. Step 2: Convert to fraction form
    331,061.92/456,438.48 = 240,549.28/x
  3. Step 3: Cross multiply
    331,061.92x = 456,438.48 × 240,549.28
  4. Step 4: Simplify right side
    331,061.92x = 109,795,947,728.29
  5. Step 5: Solve for x
    x = 109,795,947,728.29/331,061.92
  6. Step 6: Final answer
    x = 331,647.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.