Home / 738,974.73-1,019,698.49-416,665.61

Finding the Fourth Proportional to 738,974.73, 1,019,698.49 and 416,665.61

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Solution

The fourth proportional to 738,974.73, 1,019,698.49 and 416,665.61 is: 574,949.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,974.73 : 1,019,698.49 = 416,665.61 : x
  2. Step 2: Convert to fraction form
    738,974.73/1,019,698.49 = 416,665.61/x
  3. Step 3: Cross multiply
    738,974.73x = 1,019,698.49 × 416,665.61
  4. Step 4: Simplify right side
    738,974.73x = 424,873,286,170.11
  5. Step 5: Solve for x
    x = 424,873,286,170.11/738,974.73
  6. Step 6: Final answer
    x = 574,949.68

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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.