Home / 1,191,079.84-1,786,725.60-338,163.88

Finding the Fourth Proportional to 1,191,079.84, 1,786,725.60 and 338,163.88

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Solution

The fourth proportional to 1,191,079.84, 1,786,725.60 and 338,163.88 is: 507,275.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,079.84 : 1,786,725.60 = 338,163.88 : x
  2. Step 2: Convert to fraction form
    1,191,079.84/1,786,725.60 = 338,163.88/x
  3. Step 3: Cross multiply
    1,191,079.84x = 1,786,725.60 × 338,163.88
  4. Step 4: Simplify right side
    1,191,079.84x = 604,206,061,391.33
  5. Step 5: Solve for x
    x = 604,206,061,391.33/1,191,079.84
  6. Step 6: Final answer
    x = 507,275.87

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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.