Home / 988,057.17-1,363,519.79-535,348.17

Finding the Fourth Proportional to 988,057.17, 1,363,519.79 and 535,348.17

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Solution

The fourth proportional to 988,057.17, 1,363,519.79 and 535,348.17 is: 738,780.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,057.17 : 1,363,519.79 = 535,348.17 : x
  2. Step 2: Convert to fraction form
    988,057.17/1,363,519.79 = 535,348.17/x
  3. Step 3: Cross multiply
    988,057.17x = 1,363,519.79 × 535,348.17
  4. Step 4: Simplify right side
    988,057.17x = 729,957,824,335.28
  5. Step 5: Solve for x
    x = 729,957,824,335.28/988,057.17
  6. Step 6: Final answer
    x = 738,780.96

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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.