Home / 457,204.80-630,947.68-253,258.85

Finding the Fourth Proportional to 457,204.80, 630,947.68 and 253,258.85

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Solution

The fourth proportional to 457,204.80, 630,947.68 and 253,258.85 is: 349,500.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,204.80 : 630,947.68 = 253,258.85 : x
  2. Step 2: Convert to fraction form
    457,204.80/630,947.68 = 253,258.85/x
  3. Step 3: Cross multiply
    457,204.80x = 630,947.68 × 253,258.85
  4. Step 4: Simplify right side
    457,204.80x = 159,793,084,791.19
  5. Step 5: Solve for x
    x = 159,793,084,791.19/457,204.80
  6. Step 6: Final answer
    x = 349,500.01

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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.