Home / 416,917.76-575,342.61-225,932.72

Finding the Fourth Proportional to 416,917.76, 575,342.61 and 225,932.72

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Solution

The fourth proportional to 416,917.76, 575,342.61 and 225,932.72 is: 311,785.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,917.76 : 575,342.61 = 225,932.72 : x
  2. Step 2: Convert to fraction form
    416,917.76/575,342.61 = 225,932.72/x
  3. Step 3: Cross multiply
    416,917.76x = 575,342.61 × 225,932.72
  4. Step 4: Simplify right side
    416,917.76x = 129,988,720,809.20
  5. Step 5: Solve for x
    x = 129,988,720,809.20/416,917.76
  6. Step 6: Final answer
    x = 311,785.04

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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.