Home / 654,715.23-982,312.74-275,731.38

Finding the Fourth Proportional to 654,715.23, 982,312.74 and 275,731.38

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Solution

The fourth proportional to 654,715.23, 982,312.74 and 275,731.38 is: 413,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,715.23 : 982,312.74 = 275,731.38 : x
  2. Step 2: Convert to fraction form
    654,715.23/982,312.74 = 275,731.38/x
  3. Step 3: Cross multiply
    654,715.23x = 982,312.74 × 275,731.38
  4. Step 4: Simplify right side
    654,715.23x = 270,854,447,391.78
  5. Step 5: Solve for x
    x = 270,854,447,391.78/654,715.23
  6. Step 6: Final answer
    x = 413,698.10

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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.