Home / 631,933.23-871,854.93-359,808.66

Finding the Fourth Proportional to 631,933.23, 871,854.93 and 359,808.66

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Solution

The fourth proportional to 631,933.23, 871,854.93 and 359,808.66 is: 496,414.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,933.23 : 871,854.93 = 359,808.66 : x
  2. Step 2: Convert to fraction form
    631,933.23/871,854.93 = 359,808.66/x
  3. Step 3: Cross multiply
    631,933.23x = 871,854.93 × 359,808.66
  4. Step 4: Simplify right side
    631,933.23x = 313,700,954,077.69
  5. Step 5: Solve for x
    x = 313,700,954,077.69/631,933.23
  6. Step 6: Final answer
    x = 496,414.71

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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.