Home / 743,563.44-1,026,115.62-404,031.72

Finding the Fourth Proportional to 743,563.44, 1,026,115.62 and 404,031.72

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Solution

The fourth proportional to 743,563.44, 1,026,115.62 and 404,031.72 is: 557,562.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,563.44 : 1,026,115.62 = 404,031.72 : x
  2. Step 2: Convert to fraction form
    743,563.44/1,026,115.62 = 404,031.72/x
  3. Step 3: Cross multiply
    743,563.44x = 1,026,115.62 × 404,031.72
  4. Step 4: Simplify right side
    743,563.44x = 414,583,258,867.47
  5. Step 5: Solve for x
    x = 414,583,258,867.47/743,563.44
  6. Step 6: Final answer
    x = 557,562.73

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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.