Home / 987,341.40-1,481,012.10-588,432.60

Finding the Fourth Proportional to 987,341.40, 1,481,012.10 and 588,432.60

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Solution

The fourth proportional to 987,341.40, 1,481,012.10 and 588,432.60 is: 882,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,341.40 : 1,481,012.10 = 588,432.60 : x
  2. Step 2: Convert to fraction form
    987,341.40/1,481,012.10 = 588,432.60/x
  3. Step 3: Cross multiply
    987,341.40x = 1,481,012.10 × 588,432.60
  4. Step 4: Simplify right side
    987,341.40x = 871,475,800,634.46
  5. Step 5: Solve for x
    x = 871,475,800,634.46/987,341.40
  6. Step 6: Final answer
    x = 882,648.90

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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.