Home / 871,540.70-1,202,529.07-527,367.95

Finding the Fourth Proportional to 871,540.70, 1,202,529.07 and 527,367.95

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Solution

The fourth proportional to 871,540.70, 1,202,529.07 and 527,367.95 is: 727,648.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,540.70 : 1,202,529.07 = 527,367.95 : x
  2. Step 2: Convert to fraction form
    871,540.70/1,202,529.07 = 527,367.95/x
  3. Step 3: Cross multiply
    871,540.70x = 1,202,529.07 × 527,367.95
  4. Step 4: Simplify right side
    871,540.70x = 634,175,289,617.36
  5. Step 5: Solve for x
    x = 634,175,289,617.36/871,540.70
  6. Step 6: Final answer
    x = 727,648.51

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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.