Home / 1,040,205.20-1,559,141.40-534,570.80

Finding the Fourth Proportional to 1,040,205.20, 1,559,141.40 and 534,570.80

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Solution

The fourth proportional to 1,040,205.20, 1,559,141.40 and 534,570.80 is: 801,256.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,205.20 : 1,559,141.40 = 534,570.80 : x
  2. Step 2: Convert to fraction form
    1,040,205.20/1,559,141.40 = 534,570.80/x
  3. Step 3: Cross multiply
    1,040,205.20x = 1,559,141.40 × 534,570.80
  4. Step 4: Simplify right side
    1,040,205.20x = 833,471,465,511.12
  5. Step 5: Solve for x
    x = 833,471,465,511.12/1,040,205.20
  6. Step 6: Final answer
    x = 801,256.78

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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.