Home / 439,961.04-607,146.24-238,757.04

Finding the Fourth Proportional to 439,961.04, 607,146.24 and 238,757.04

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Solution

The fourth proportional to 439,961.04, 607,146.24 and 238,757.04 is: 329,484.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,961.04 : 607,146.24 = 238,757.04 : x
  2. Step 2: Convert to fraction form
    439,961.04/607,146.24 = 238,757.04/x
  3. Step 3: Cross multiply
    439,961.04x = 607,146.24 × 238,757.04
  4. Step 4: Simplify right side
    439,961.04x = 144,960,439,109.53
  5. Step 5: Solve for x
    x = 144,960,439,109.53/439,961.04
  6. Step 6: Final answer
    x = 329,484.72

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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.