Home / 987,179.40-1,480,769.10-588,270.60

Finding the Fourth Proportional to 987,179.40, 1,480,769.10 and 588,270.60

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Solution

The fourth proportional to 987,179.40, 1,480,769.10 and 588,270.60 is: 882,405.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,179.40 : 1,480,769.10 = 588,270.60 : x
  2. Step 2: Convert to fraction form
    987,179.40/1,480,769.10 = 588,270.60/x
  3. Step 3: Cross multiply
    987,179.40x = 1,480,769.10 × 588,270.60
  4. Step 4: Simplify right side
    987,179.40x = 871,092,926,918.46
  5. Step 5: Solve for x
    x = 871,092,926,918.46/987,179.40
  6. Step 6: Final answer
    x = 882,405.90

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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.