Home / 955,017.38-1,318,111.16-547,392.44

Finding the Fourth Proportional to 955,017.38, 1,318,111.16 and 547,392.44

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Solution

The fourth proportional to 955,017.38, 1,318,111.16 and 547,392.44 is: 755,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,017.38 : 1,318,111.16 = 547,392.44 : x
  2. Step 2: Convert to fraction form
    955,017.38/1,318,111.16 = 547,392.44/x
  3. Step 3: Cross multiply
    955,017.38x = 1,318,111.16 × 547,392.44
  4. Step 4: Simplify right side
    955,017.38x = 721,524,074,736.11
  5. Step 5: Solve for x
    x = 721,524,074,736.11/955,017.38
  6. Step 6: Final answer
    x = 755,508.85

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Double scale
Find fourth proportional to 955,018.38, 1,318,112.54 and 547,393.44
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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.