Home / 416,295.20-574,487.36-225,308.59

Finding the Fourth Proportional to 416,295.20, 574,487.36 and 225,308.59

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Solution

The fourth proportional to 416,295.20, 574,487.36 and 225,308.59 is: 310,925.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,295.20 : 574,487.36 = 225,308.59 : x
  2. Step 2: Convert to fraction form
    416,295.20/574,487.36 = 225,308.59/x
  3. Step 3: Cross multiply
    416,295.20x = 574,487.36 × 225,308.59
  4. Step 4: Simplify right side
    416,295.20x = 129,436,937,054.42
  5. Step 5: Solve for x
    x = 129,436,937,054.42/416,295.20
  6. Step 6: Final answer
    x = 310,925.85

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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.