Home / 440,115.92-607,363.08-238,911.92

Finding the Fourth Proportional to 440,115.92, 607,363.08 and 238,911.92

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Solution

The fourth proportional to 440,115.92, 607,363.08 and 238,911.92 is: 329,700.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,115.92 : 607,363.08 = 238,911.92 : x
  2. Step 2: Convert to fraction form
    440,115.92/607,363.08 = 238,911.92/x
  3. Step 3: Cross multiply
    440,115.92x = 607,363.08 × 238,911.92
  4. Step 4: Simplify right side
    440,115.92x = 145,106,279,579.91
  5. Step 5: Solve for x
    x = 145,106,279,579.91/440,115.92
  6. Step 6: Final answer
    x = 329,700.14

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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.