Home / 674,454.67-930,736.17-368,524.36

Finding the Fourth Proportional to 674,454.67, 930,736.17 and 368,524.36

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Solution

The fourth proportional to 674,454.67, 930,736.17 and 368,524.36 is: 508,557.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,454.67 : 930,736.17 = 368,524.36 : x
  2. Step 2: Convert to fraction form
    674,454.67/930,736.17 = 368,524.36/x
  3. Step 3: Cross multiply
    674,454.67x = 930,736.17 × 368,524.36
  4. Step 4: Simplify right side
    674,454.67x = 342,998,951,378.10
  5. Step 5: Solve for x
    x = 342,998,951,378.10/674,454.67
  6. Step 6: Final answer
    x = 508,557.46

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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.