Home / 587,996.20-881,087.10-437,530.60

Finding the Fourth Proportional to 587,996.20, 881,087.10 and 437,530.60

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Solution

The fourth proportional to 587,996.20, 881,087.10 and 437,530.60 is: 655,620.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,996.20 : 881,087.10 = 437,530.60 : x
  2. Step 2: Convert to fraction form
    587,996.20/881,087.10 = 437,530.60/x
  3. Step 3: Cross multiply
    587,996.20x = 881,087.10 × 437,530.60
  4. Step 4: Simplify right side
    587,996.20x = 385,502,567,515.26
  5. Step 5: Solve for x
    x = 385,502,567,515.26/587,996.20
  6. Step 6: Final answer
    x = 655,620.85

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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.