Home / 416,179.20-574,327.63-288,928.61

Finding the Fourth Proportional to 416,179.20, 574,327.63 and 288,928.61

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Solution

The fourth proportional to 416,179.20, 574,327.63 and 288,928.61 is: 398,721.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,179.20 : 574,327.63 = 288,928.61 : x
  2. Step 2: Convert to fraction form
    416,179.20/574,327.63 = 288,928.61/x
  3. Step 3: Cross multiply
    416,179.20x = 574,327.63 × 288,928.61
  4. Step 4: Simplify right side
    416,179.20x = 165,939,683,820.49
  5. Step 5: Solve for x
    x = 165,939,683,820.49/416,179.20
  6. Step 6: Final answer
    x = 398,721.71

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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.