Home / 827,587.20-1,241,611.20-406,876.80

Finding the Fourth Proportional to 827,587.20, 1,241,611.20 and 406,876.80

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Solution

The fourth proportional to 827,587.20, 1,241,611.20 and 406,876.80 is: 610,428.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,587.20 : 1,241,611.20 = 406,876.80 : x
  2. Step 2: Convert to fraction form
    827,587.20/1,241,611.20 = 406,876.80/x
  3. Step 3: Cross multiply
    827,587.20x = 1,241,611.20 × 406,876.80
  4. Step 4: Simplify right side
    827,587.20x = 505,182,791,900.16
  5. Step 5: Solve for x
    x = 505,182,791,900.16/827,587.20
  6. Step 6: Final answer
    x = 610,428.47

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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.