Home / 632,542.38-872,822.40-377,839.50

Finding the Fourth Proportional to 632,542.38, 872,822.40 and 377,839.50

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Solution

The fourth proportional to 632,542.38, 872,822.40 and 377,839.50 is: 521,367.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,542.38 : 872,822.40 = 377,839.50 : x
  2. Step 2: Convert to fraction form
    632,542.38/872,822.40 = 377,839.50/x
  3. Step 3: Cross multiply
    632,542.38x = 872,822.40 × 377,839.50
  4. Step 4: Simplify right side
    632,542.38x = 329,786,779,204.80
  5. Step 5: Solve for x
    x = 329,786,779,204.80/632,542.38
  6. Step 6: Final answer
    x = 521,367.09

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1.5x scale

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.