Home / 880,972.96-1,215,453.50-493,731.76

Finding the Fourth Proportional to 880,972.96, 1,215,453.50 and 493,731.76

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Solution

The fourth proportional to 880,972.96, 1,215,453.50 and 493,731.76 is: 681,187.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,972.96 : 1,215,453.50 = 493,731.76 : x
  2. Step 2: Convert to fraction form
    880,972.96/1,215,453.50 = 493,731.76/x
  3. Step 3: Cross multiply
    880,972.96x = 1,215,453.50 × 493,731.76
  4. Step 4: Simplify right side
    880,972.96x = 600,107,995,753.16
  5. Step 5: Solve for x
    x = 600,107,995,753.16/880,972.96
  6. Step 6: Final answer
    x = 681,187.76

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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.