Home / 996,711.30-1,374,983.37-724,356.90

Finding the Fourth Proportional to 996,711.30, 1,374,983.37 and 724,356.90

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Solution

The fourth proportional to 996,711.30, 1,374,983.37 and 724,356.90 is: 999,264.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,711.30 : 1,374,983.37 = 724,356.90 : x
  2. Step 2: Convert to fraction form
    996,711.30/1,374,983.37 = 724,356.90/x
  3. Step 3: Cross multiply
    996,711.30x = 1,374,983.37 × 724,356.90
  4. Step 4: Simplify right side
    996,711.30x = 995,978,691,444.75
  5. Step 5: Solve for x
    x = 995,978,691,444.75/996,711.30
  6. Step 6: Final answer
    x = 999,264.97

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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.