Home / 674,610.88-930,982.28-368,704.24

Finding the Fourth Proportional to 674,610.88, 930,982.28 and 368,704.24

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Solution

The fourth proportional to 674,610.88, 930,982.28 and 368,704.24 is: 508,822.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,610.88 : 930,982.28 = 368,704.24 : x
  2. Step 2: Convert to fraction form
    674,610.88/930,982.28 = 368,704.24/x
  3. Step 3: Cross multiply
    674,610.88x = 930,982.28 × 368,704.24
  4. Step 4: Simplify right side
    674,610.88x = 343,257,114,000.87
  5. Step 5: Solve for x
    x = 343,257,114,000.87/674,610.88
  6. Step 6: Final answer
    x = 508,822.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.