Home / 674,505.44-930,819.93-368,581.83

Finding the Fourth Proportional to 674,505.44, 930,819.93 and 368,581.83

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Solution

The fourth proportional to 674,505.44, 930,819.93 and 368,581.83 is: 508,644.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,505.44 : 930,819.93 = 368,581.83 : x
  2. Step 2: Convert to fraction form
    674,505.44/930,819.93 = 368,581.83/x
  3. Step 3: Cross multiply
    674,505.44x = 930,819.93 × 368,581.83
  4. Step 4: Simplify right side
    674,505.44x = 343,083,313,199.87
  5. Step 5: Solve for x
    x = 343,083,313,199.87/674,505.44
  6. Step 6: Final answer
    x = 508,644.25

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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.