Home / 416,220.10-574,385.25-225,233.47

Finding the Fourth Proportional to 416,220.10, 574,385.25 and 225,233.47

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Solution

The fourth proportional to 416,220.10, 574,385.25 and 225,233.47 is: 310,823.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,220.10 : 574,385.25 = 225,233.47 : x
  2. Step 2: Convert to fraction form
    416,220.10/574,385.25 = 225,233.47/x
  3. Step 3: Cross multiply
    416,220.10x = 574,385.25 × 225,233.47
  4. Step 4: Simplify right side
    416,220.10x = 129,370,782,974.32
  5. Step 5: Solve for x
    x = 129,370,782,974.32/416,220.10
  6. Step 6: Final answer
    x = 310,823.01

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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.