Home / 416,621.40-574,934.67-225,630.42

Finding the Fourth Proportional to 416,621.40, 574,934.67 and 225,630.42

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Solution

The fourth proportional to 416,621.40, 574,934.67 and 225,630.42 is: 311,368.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,621.40 : 574,934.67 = 225,630.42 : x
  2. Step 2: Convert to fraction form
    416,621.40/574,934.67 = 225,630.42/x
  3. Step 3: Cross multiply
    416,621.40x = 574,934.67 × 225,630.42
  4. Step 4: Simplify right side
    416,621.40x = 129,722,751,064.66
  5. Step 5: Solve for x
    x = 129,722,751,064.66/416,621.40
  6. Step 6: Final answer
    x = 311,368.43

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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.