Home / 1,244,680.86-1,866,067.90-391,258.79

Finding the Fourth Proportional to 1,244,680.86, 1,866,067.90 and 391,258.79

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Solution

The fourth proportional to 1,244,680.86, 1,866,067.90 and 391,258.79 is: 586,588.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,680.86 : 1,866,067.90 = 391,258.79 : x
  2. Step 2: Convert to fraction form
    1,244,680.86/1,866,067.90 = 391,258.79/x
  3. Step 3: Cross multiply
    1,244,680.86x = 1,866,067.90 × 391,258.79
  4. Step 4: Simplify right side
    1,244,680.86x = 730,115,465,301.11
  5. Step 5: Solve for x
    x = 730,115,465,301.11/1,244,680.86
  6. Step 6: Final answer
    x = 586,588.49

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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.