Home / 416,982.12-575,436.24-225,995.46

Finding the Fourth Proportional to 416,982.12, 575,436.24 and 225,995.46

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Solution

The fourth proportional to 416,982.12, 575,436.24 and 225,995.46 is: 311,874.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,982.12 : 575,436.24 = 225,995.46 : x
  2. Step 2: Convert to fraction form
    416,982.12/575,436.24 = 225,995.46/x
  3. Step 3: Cross multiply
    416,982.12x = 575,436.24 × 225,995.46
  4. Step 4: Simplify right side
    416,982.12x = 130,045,977,759.47
  5. Step 5: Solve for x
    x = 130,045,977,759.47/416,982.12
  6. Step 6: Final answer
    x = 311,874.23

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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.