Home / 457,765.14-631,723.47-253,824.66

Finding the Fourth Proportional to 457,765.14, 631,723.47 and 253,824.66

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Solution

The fourth proportional to 457,765.14, 631,723.47 and 253,824.66 is: 350,282.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,765.14 : 631,723.47 = 253,824.66 : x
  2. Step 2: Convert to fraction form
    457,765.14/631,723.47 = 253,824.66/x
  3. Step 3: Cross multiply
    457,765.14x = 631,723.47 × 253,824.66
  4. Step 4: Simplify right side
    457,765.14x = 160,346,994,986.77
  5. Step 5: Solve for x
    x = 160,346,994,986.77/457,765.14
  6. Step 6: Final answer
    x = 350,282.23

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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.