Home / 999,251.16-1,378,999.54-546,542.12

Finding the Fourth Proportional to 999,251.16, 1,378,999.54 and 546,542.12

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Solution

The fourth proportional to 999,251.16, 1,378,999.54 and 546,542.12 is: 754,246.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,251.16 : 1,378,999.54 = 546,542.12 : x
  2. Step 2: Convert to fraction form
    999,251.16/1,378,999.54 = 546,542.12/x
  3. Step 3: Cross multiply
    999,251.16x = 1,378,999.54 × 546,542.12
  4. Step 4: Simplify right side
    999,251.16x = 753,681,332,070.63
  5. Step 5: Solve for x
    x = 753,681,332,070.63/999,251.16
  6. Step 6: Final answer
    x = 754,246.14

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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.