Home / 454,330.11-626,979.84-250,388.49

Finding the Fourth Proportional to 454,330.11, 626,979.84 and 250,388.49

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Solution

The fourth proportional to 454,330.11, 626,979.84 and 250,388.49 is: 345,538.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,330.11 : 626,979.84 = 250,388.49 : x
  2. Step 2: Convert to fraction form
    454,330.11/626,979.84 = 250,388.49/x
  3. Step 3: Cross multiply
    454,330.11x = 626,979.84 × 250,388.49
  4. Step 4: Simplify right side
    454,330.11x = 156,988,535,398.04
  5. Step 5: Solve for x
    x = 156,988,535,398.04/454,330.11
  6. Step 6: Final answer
    x = 345,538.48

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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.