Home / 804,420.60-1,206,630.90-534,982.20

Finding the Fourth Proportional to 804,420.60, 1,206,630.90 and 534,982.20

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Solution

The fourth proportional to 804,420.60, 1,206,630.90 and 534,982.20 is: 802,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,420.60 : 1,206,630.90 = 534,982.20 : x
  2. Step 2: Convert to fraction form
    804,420.60/1,206,630.90 = 534,982.20/x
  3. Step 3: Cross multiply
    804,420.60x = 1,206,630.90 × 534,982.20
  4. Step 4: Simplify right side
    804,420.60x = 645,526,053,469.98
  5. Step 5: Solve for x
    x = 645,526,053,469.98/804,420.60
  6. Step 6: Final answer
    x = 802,473.30

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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.