Home / 738,257.38-1,018,826.56-411,570.32

Finding the Fourth Proportional to 738,257.38, 1,018,826.56 and 411,570.32

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Solution

The fourth proportional to 738,257.38, 1,018,826.56 and 411,570.32 is: 567,984.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,257.38 : 1,018,826.56 = 411,570.32 : x
  2. Step 2: Convert to fraction form
    738,257.38/1,018,826.56 = 411,570.32/x
  3. Step 3: Cross multiply
    738,257.38x = 1,018,826.56 × 411,570.32
  4. Step 4: Simplify right side
    738,257.38x = 419,318,772,876.21
  5. Step 5: Solve for x
    x = 419,318,772,876.21/738,257.38
  6. Step 6: Final answer
    x = 567,984.54

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Double scale
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Similar ratio
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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.