Home / 1,214,092.20-1,821,648.60-652,470.60

Finding the Fourth Proportional to 1,214,092.20, 1,821,648.60 and 652,470.60

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Solution

The fourth proportional to 1,214,092.20, 1,821,648.60 and 652,470.60 is: 978,980.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,092.20 : 1,821,648.60 = 652,470.60 : x
  2. Step 2: Convert to fraction form
    1,214,092.20/1,821,648.60 = 652,470.60/x
  3. Step 3: Cross multiply
    1,214,092.20x = 1,821,648.60 × 652,470.60
  4. Step 4: Simplify right side
    1,214,092.20x = 1,188,572,155,031.16
  5. Step 5: Solve for x
    x = 1,188,572,155,031.16/1,214,092.20
  6. Step 6: Final answer
    x = 978,980.14

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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.