Home / 743,542.76-1,026,098.34-404,016.68

Finding the Fourth Proportional to 743,542.76, 1,026,098.34 and 404,016.68

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Solution

The fourth proportional to 743,542.76, 1,026,098.34 and 404,016.68 is: 557,548.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,542.76 : 1,026,098.34 = 404,016.68 : x
  2. Step 2: Convert to fraction form
    743,542.76/1,026,098.34 = 404,016.68/x
  3. Step 3: Cross multiply
    743,542.76x = 1,026,098.34 × 404,016.68
  4. Step 4: Simplify right side
    743,542.76x = 414,560,844,680.31
  5. Step 5: Solve for x
    x = 414,560,844,680.31/743,542.76
  6. Step 6: Final answer
    x = 557,548.09

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Half scale
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Double scale
Find fourth proportional to 743,543.76, 1,026,099.72 and 404,017.68
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.