Home / 465,829.20-698,743.80-406,780.20

Finding the Fourth Proportional to 465,829.20, 698,743.80 and 406,780.20

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Solution

The fourth proportional to 465,829.20, 698,743.80 and 406,780.20 is: 610,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,829.20 : 698,743.80 = 406,780.20 : x
  2. Step 2: Convert to fraction form
    465,829.20/698,743.80 = 406,780.20/x
  3. Step 3: Cross multiply
    465,829.20x = 698,743.80 × 406,780.20
  4. Step 4: Simplify right side
    465,829.20x = 284,235,142,712.76
  5. Step 5: Solve for x
    x = 284,235,142,712.76/465,829.20
  6. Step 6: Final answer
    x = 610,170.30

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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.