Home / 738,686.68-1,108,029.98-177,721.16

Finding the Fourth Proportional to 738,686.68, 1,108,029.98 and 177,721.16

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Solution

The fourth proportional to 738,686.68, 1,108,029.98 and 177,721.16 is: 266,581.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,686.68 : 1,108,029.98 = 177,721.16 : x
  2. Step 2: Convert to fraction form
    738,686.68/1,108,029.98 = 177,721.16/x
  3. Step 3: Cross multiply
    738,686.68x = 1,108,029.98 × 177,721.16
  4. Step 4: Simplify right side
    738,686.68x = 196,920,373,360.38
  5. Step 5: Solve for x
    x = 196,920,373,360.38/738,686.68
  6. Step 6: Final answer
    x = 266,581.73

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Similar ratio
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1.5x scale

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.