Home / 416,407.04-574,643.55-225,420.43

Finding the Fourth Proportional to 416,407.04, 574,643.55 and 225,420.43

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Solution

The fourth proportional to 416,407.04, 574,643.55 and 225,420.43 is: 311,081.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,407.04 : 574,643.55 = 225,420.43 : x
  2. Step 2: Convert to fraction form
    416,407.04/574,643.55 = 225,420.43/x
  3. Step 3: Cross multiply
    416,407.04x = 574,643.55 × 225,420.43
  4. Step 4: Simplify right side
    416,407.04x = 129,536,396,137.73
  5. Step 5: Solve for x
    x = 129,536,396,137.73/416,407.04
  6. Step 6: Final answer
    x = 311,081.19

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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.