Home / 451,217.92-622,681.68-250,013.92

Finding the Fourth Proportional to 451,217.92, 622,681.68 and 250,013.92

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Solution

The fourth proportional to 451,217.92, 622,681.68 and 250,013.92 is: 345,019.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,217.92 : 622,681.68 = 250,013.92 : x
  2. Step 2: Convert to fraction form
    451,217.92/622,681.68 = 250,013.92/x
  3. Step 3: Cross multiply
    451,217.92x = 622,681.68 × 250,013.92
  4. Step 4: Simplify right side
    451,217.92x = 155,679,087,728.99
  5. Step 5: Solve for x
    x = 155,679,087,728.99/451,217.92
  6. Step 6: Final answer
    x = 345,019.74

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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.