Home / 637,738.92-880,046.47-396,016.29

Finding the Fourth Proportional to 637,738.92, 880,046.47 and 396,016.29

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Solution

The fourth proportional to 637,738.92, 880,046.47 and 396,016.29 is: 546,481.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,738.92 : 880,046.47 = 396,016.29 : x
  2. Step 2: Convert to fraction form
    637,738.92/880,046.47 = 396,016.29/x
  3. Step 3: Cross multiply
    637,738.92x = 880,046.47 × 396,016.29
  4. Step 4: Simplify right side
    637,738.92x = 348,512,738,572.02
  5. Step 5: Solve for x
    x = 348,512,738,572.02/637,738.92
  6. Step 6: Final answer
    x = 546,481.84

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Double scale
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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.