Home / 1,281,505.68-1,923,049.08-650,872.08

Finding the Fourth Proportional to 1,281,505.68, 1,923,049.08 and 650,872.08

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Solution

The fourth proportional to 1,281,505.68, 1,923,049.08 and 650,872.08 is: 976,709.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,505.68 : 1,923,049.08 = 650,872.08 : x
  2. Step 2: Convert to fraction form
    1,281,505.68/1,923,049.08 = 650,872.08/x
  3. Step 3: Cross multiply
    1,281,505.68x = 1,923,049.08 × 650,872.08
  4. Step 4: Simplify right side
    1,281,505.68x = 1,251,658,954,641.69
  5. Step 5: Solve for x
    x = 1,251,658,954,641.69/1,281,505.68
  6. Step 6: Final answer
    x = 976,709.64

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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.