Home / 457,023.06-630,684.07-253,069.62

Finding the Fourth Proportional to 457,023.06, 630,684.07 and 253,069.62

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Solution

The fourth proportional to 457,023.06, 630,684.07 and 253,069.62 is: 349,231.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,023.06 : 630,684.07 = 253,069.62 : x
  2. Step 2: Convert to fraction form
    457,023.06/630,684.07 = 253,069.62/x
  3. Step 3: Cross multiply
    457,023.06x = 630,684.07 × 253,069.62
  4. Step 4: Simplify right side
    457,023.06x = 159,606,976,360.73
  5. Step 5: Solve for x
    x = 159,606,976,360.73/457,023.06
  6. Step 6: Final answer
    x = 349,231.78

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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.