Home / 999,177.72-1,378,876.14-546,459

Finding the Fourth Proportional to 999,177.72, 1,378,876.14 and 546,459

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Solution

The fourth proportional to 999,177.72, 1,378,876.14 and 546,459 is: 754,119.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,177.72 : 1,378,876.14 = 546,459 : x
  2. Step 2: Convert to fraction form
    999,177.72/1,378,876.14 = 546,459/x
  3. Step 3: Cross multiply
    999,177.72x = 1,378,876.14 × 546,459
  4. Step 4: Simplify right side
    999,177.72x = 753,499,276,588.26
  5. Step 5: Solve for x
    x = 753,499,276,588.26/999,177.72
  6. Step 6: Final answer
    x = 754,119.37

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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.