Home / 996,127.92-1,374,678.36-543,418.56

Finding the Fourth Proportional to 996,127.92, 1,374,678.36 and 543,418.56

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Solution

The fourth proportional to 996,127.92, 1,374,678.36 and 543,418.56 is: 749,929.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,127.92 : 1,374,678.36 = 543,418.56 : x
  2. Step 2: Convert to fraction form
    996,127.92/1,374,678.36 = 543,418.56/x
  3. Step 3: Cross multiply
    996,127.92x = 1,374,678.36 × 543,418.56
  4. Step 4: Simplify right side
    996,127.92x = 747,025,734,854.36
  5. Step 5: Solve for x
    x = 747,025,734,854.36/996,127.92
  6. Step 6: Final answer
    x = 749,929.52

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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.