Home / 738,678.54-1,019,315.12-416,467.82

Finding the Fourth Proportional to 738,678.54, 1,019,315.12 and 416,467.82

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Solution

The fourth proportional to 738,678.54, 1,019,315.12 and 416,467.82 is: 574,691.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,678.54 : 1,019,315.12 = 416,467.82 : x
  2. Step 2: Convert to fraction form
    738,678.54/1,019,315.12 = 416,467.82/x
  3. Step 3: Cross multiply
    738,678.54x = 1,019,315.12 × 416,467.82
  4. Step 4: Simplify right side
    738,678.54x = 424,511,945,919.44
  5. Step 5: Solve for x
    x = 424,511,945,919.44/738,678.54
  6. Step 6: Final answer
    x = 574,691.05

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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.