Home / 880,154.07-1,214,616.60-498,254.73

Finding the Fourth Proportional to 880,154.07, 1,214,616.60 and 498,254.73

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Solution

The fourth proportional to 880,154.07, 1,214,616.60 and 498,254.73 is: 687,593.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,154.07 : 1,214,616.60 = 498,254.73 : x
  2. Step 2: Convert to fraction form
    880,154.07/1,214,616.60 = 498,254.73/x
  3. Step 3: Cross multiply
    880,154.07x = 1,214,616.60 × 498,254.73
  4. Step 4: Simplify right side
    880,154.07x = 605,188,466,086.52
  5. Step 5: Solve for x
    x = 605,188,466,086.52/880,154.07
  6. Step 6: Final answer
    x = 687,593.78

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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.