Home / 1,107,029.10-1,660,543.65-396,800.85

Finding the Fourth Proportional to 1,107,029.10, 1,660,543.65 and 396,800.85

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Solution

The fourth proportional to 1,107,029.10, 1,660,543.65 and 396,800.85 is: 595,201.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,029.10 : 1,660,543.65 = 396,800.85 : x
  2. Step 2: Convert to fraction form
    1,107,029.10/1,660,543.65 = 396,800.85/x
  3. Step 3: Cross multiply
    1,107,029.10x = 1,660,543.65 × 396,800.85
  4. Step 4: Simplify right side
    1,107,029.10x = 658,905,131,782.10
  5. Step 5: Solve for x
    x = 658,905,131,782.10/1,107,029.10
  6. Step 6: Final answer
    x = 595,201.28

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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.