Home / 804,853.20-1,205,897.40-383,221.20

Finding the Fourth Proportional to 804,853.20, 1,205,897.40 and 383,221.20

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Solution

The fourth proportional to 804,853.20, 1,205,897.40 and 383,221.20 is: 574,173.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,853.20 : 1,205,897.40 = 383,221.20 : x
  2. Step 2: Convert to fraction form
    804,853.20/1,205,897.40 = 383,221.20/x
  3. Step 3: Cross multiply
    804,853.20x = 1,205,897.40 × 383,221.20
  4. Step 4: Simplify right side
    804,853.20x = 462,125,448,704.88
  5. Step 5: Solve for x
    x = 462,125,448,704.88/804,853.20
  6. Step 6: Final answer
    x = 574,173.59

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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.