Home / 269,306.57-400,780.92-260,337.01

Finding the Fourth Proportional to 269,306.57, 400,780.92 and 260,337.01

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Solution

The fourth proportional to 269,306.57, 400,780.92 and 260,337.01 is: 387,432.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,306.57 : 400,780.92 = 260,337.01 : x
  2. Step 2: Convert to fraction form
    269,306.57/400,780.92 = 260,337.01/x
  3. Step 3: Cross multiply
    269,306.57x = 400,780.92 × 260,337.01
  4. Step 4: Simplify right side
    269,306.57x = 104,338,106,377.85
  5. Step 5: Solve for x
    x = 104,338,106,377.85/269,306.57
  6. Step 6: Final answer
    x = 387,432.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.