Home / 753,972.30-1,040,470.11-414,433.26

Finding the Fourth Proportional to 753,972.30, 1,040,470.11 and 414,433.26

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Solution

The fourth proportional to 753,972.30, 1,040,470.11 and 414,433.26 is: 571,911.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,972.30 : 1,040,470.11 = 414,433.26 : x
  2. Step 2: Convert to fraction form
    753,972.30/1,040,470.11 = 414,433.26/x
  3. Step 3: Cross multiply
    753,972.30x = 1,040,470.11 × 414,433.26
  4. Step 4: Simplify right side
    753,972.30x = 431,205,419,619.86
  5. Step 5: Solve for x
    x = 431,205,419,619.86/753,972.30
  6. Step 6: Final answer
    x = 571,911.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.