Home / 416,180.20-574,329.01-288,929.61

Finding the Fourth Proportional to 416,180.20, 574,329.01 and 288,929.61

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Solution

The fourth proportional to 416,180.20, 574,329.01 and 288,929.61 is: 398,723.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,180.20 : 574,329.01 = 288,929.61 : x
  2. Step 2: Convert to fraction form
    416,180.20/574,329.01 = 288,929.61/x
  3. Step 3: Cross multiply
    416,180.20x = 574,329.01 × 288,929.61
  4. Step 4: Simplify right side
    416,180.20x = 165,940,656,870.99
  5. Step 5: Solve for x
    x = 165,940,656,870.99/416,180.20
  6. Step 6: Final answer
    x = 398,723.09

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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.