Home / 674,023.11-930,158.23-383,620.44

Finding the Fourth Proportional to 674,023.11, 930,158.23 and 383,620.44

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Solution

The fourth proportional to 674,023.11, 930,158.23 and 383,620.44 is: 529,399.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,023.11 : 930,158.23 = 383,620.44 : x
  2. Step 2: Convert to fraction form
    674,023.11/930,158.23 = 383,620.44/x
  3. Step 3: Cross multiply
    674,023.11x = 930,158.23 × 383,620.44
  4. Step 4: Simplify right side
    674,023.11x = 356,827,707,478.41
  5. Step 5: Solve for x
    x = 356,827,707,478.41/674,023.11
  6. Step 6: Final answer
    x = 529,399.81

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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.