Home / 782,895.43-1,080,359.53-443,366.11

Finding the Fourth Proportional to 782,895.43, 1,080,359.53 and 443,366.11

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Solution

The fourth proportional to 782,895.43, 1,080,359.53 and 443,366.11 is: 611,824.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,895.43 : 1,080,359.53 = 443,366.11 : x
  2. Step 2: Convert to fraction form
    782,895.43/1,080,359.53 = 443,366.11/x
  3. Step 3: Cross multiply
    782,895.43x = 1,080,359.53 × 443,366.11
  4. Step 4: Simplify right side
    782,895.43x = 478,994,802,217.53
  5. Step 5: Solve for x
    x = 478,994,802,217.53/782,895.43
  6. Step 6: Final answer
    x = 611,824.75

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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.