Home / 788,654.80-1,182,982.20-548,117.20

Finding the Fourth Proportional to 788,654.80, 1,182,982.20 and 548,117.20

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Solution

The fourth proportional to 788,654.80, 1,182,982.20 and 548,117.20 is: 822,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,654.80 : 1,182,982.20 = 548,117.20 : x
  2. Step 2: Convert to fraction form
    788,654.80/1,182,982.20 = 548,117.20/x
  3. Step 3: Cross multiply
    788,654.80x = 1,182,982.20 × 548,117.20
  4. Step 4: Simplify right side
    788,654.80x = 648,412,891,113.84
  5. Step 5: Solve for x
    x = 648,412,891,113.84/788,654.80
  6. Step 6: Final answer
    x = 822,175.80

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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.