Home / 880,543.20-1,215,154.88-517,981.92

Finding the Fourth Proportional to 880,543.20, 1,215,154.88 and 517,981.92

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Solution

The fourth proportional to 880,543.20, 1,215,154.88 and 517,981.92 is: 714,818.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,543.20 : 1,215,154.88 = 517,981.92 : x
  2. Step 2: Convert to fraction form
    880,543.20/1,215,154.88 = 517,981.92/x
  3. Step 3: Cross multiply
    880,543.20x = 1,215,154.88 × 517,981.92
  4. Step 4: Simplify right side
    880,543.20x = 629,428,257,839.77
  5. Step 5: Solve for x
    x = 629,428,257,839.77/880,543.20
  6. Step 6: Final answer
    x = 714,818.15

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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.