Home / 804,843.20-1,205,882.40-383,211.20

Finding the Fourth Proportional to 804,843.20, 1,205,882.40 and 383,211.20

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Solution

The fourth proportional to 804,843.20, 1,205,882.40 and 383,211.20 is: 574,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,843.20 : 1,205,882.40 = 383,211.20 : x
  2. Step 2: Convert to fraction form
    804,843.20/1,205,882.40 = 383,211.20/x
  3. Step 3: Cross multiply
    804,843.20x = 1,205,882.40 × 383,211.20
  4. Step 4: Simplify right side
    804,843.20x = 462,107,641,562.88
  5. Step 5: Solve for x
    x = 462,107,641,562.88/804,843.20
  6. Step 6: Final answer
    x = 574,158.60

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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.