Home / 753,853.80-1,040,306.17-414,314.76

Finding the Fourth Proportional to 753,853.80, 1,040,306.17 and 414,314.76

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Solution

The fourth proportional to 753,853.80, 1,040,306.17 and 414,314.76 is: 571,747.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,853.80 : 1,040,306.17 = 414,314.76 : x
  2. Step 2: Convert to fraction form
    753,853.80/1,040,306.17 = 414,314.76/x
  3. Step 3: Cross multiply
    753,853.80x = 1,040,306.17 × 414,314.76
  4. Step 4: Simplify right side
    753,853.80x = 431,014,201,150.07
  5. Step 5: Solve for x
    x = 431,014,201,150.07/753,853.80
  6. Step 6: Final answer
    x = 571,747.73

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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.