Home / 925,209.38-1,276,397.97-619,384.28

Finding the Fourth Proportional to 925,209.38, 1,276,397.97 and 619,384.28

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Solution

The fourth proportional to 925,209.38, 1,276,397.97 and 619,384.28 is: 854,488.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,209.38 : 1,276,397.97 = 619,384.28 : x
  2. Step 2: Convert to fraction form
    925,209.38/1,276,397.97 = 619,384.28/x
  3. Step 3: Cross multiply
    925,209.38x = 1,276,397.97 × 619,384.28
  4. Step 4: Simplify right side
    925,209.38x = 790,580,831,259.92
  5. Step 5: Solve for x
    x = 790,580,831,259.92/925,209.38
  6. Step 6: Final answer
    x = 854,488.57

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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.