Home / 739,067.70-1,108,601.55-561,920.70

Finding the Fourth Proportional to 739,067.70, 1,108,601.55 and 561,920.70

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Solution

The fourth proportional to 739,067.70, 1,108,601.55 and 561,920.70 is: 842,881.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,067.70 : 1,108,601.55 = 561,920.70 : x
  2. Step 2: Convert to fraction form
    739,067.70/1,108,601.55 = 561,920.70/x
  3. Step 3: Cross multiply
    739,067.70x = 1,108,601.55 × 561,920.70
  4. Step 4: Simplify right side
    739,067.70x = 622,946,158,997.09
  5. Step 5: Solve for x
    x = 622,946,158,997.09/739,067.70
  6. Step 6: Final answer
    x = 842,881.05

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.