Home / 627,155.53-940,733.33-272,161.69

Finding the Fourth Proportional to 627,155.53, 940,733.33 and 272,161.69

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Solution

The fourth proportional to 627,155.53, 940,733.33 and 272,161.69 is: 408,242.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,155.53 : 940,733.33 = 272,161.69 : x
  2. Step 2: Convert to fraction form
    627,155.53/940,733.33 = 272,161.69/x
  3. Step 3: Cross multiply
    627,155.53x = 940,733.33 × 272,161.69
  4. Step 4: Simplify right side
    627,155.53x = 256,031,569,219.49
  5. Step 5: Solve for x
    x = 256,031,569,219.49/627,155.53
  6. Step 6: Final answer
    x = 408,242.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.