Home / 439,972.17-607,161.60-238,768.17

Finding the Fourth Proportional to 439,972.17, 607,161.60 and 238,768.17

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Solution

The fourth proportional to 439,972.17, 607,161.60 and 238,768.17 is: 329,500.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,972.17 : 607,161.60 = 238,768.17 : x
  2. Step 2: Convert to fraction form
    439,972.17/607,161.60 = 238,768.17/x
  3. Step 3: Cross multiply
    439,972.17x = 607,161.60 × 238,768.17
  4. Step 4: Simplify right side
    439,972.17x = 144,970,865,264.70
  5. Step 5: Solve for x
    x = 144,970,865,264.70/439,972.17
  6. Step 6: Final answer
    x = 329,500.08

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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.