Home / 560,849.76-839,933.48-323,472.78

Finding the Fourth Proportional to 560,849.76, 839,933.48 and 323,472.78

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Solution

The fourth proportional to 560,849.76, 839,933.48 and 323,472.78 is: 484,435.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,849.76 : 839,933.48 = 323,472.78 : x
  2. Step 2: Convert to fraction form
    560,849.76/839,933.48 = 323,472.78/x
  3. Step 3: Cross multiply
    560,849.76x = 839,933.48 × 323,472.78
  4. Step 4: Simplify right side
    560,849.76x = 271,695,617,790.67
  5. Step 5: Solve for x
    x = 271,695,617,790.67/560,849.76
  6. Step 6: Final answer
    x = 484,435.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.