Home / 1,668,161.60-2,302,067.84-904,218.24

Finding the Fourth Proportional to 1,668,161.60, 2,302,067.84 and 904,218.24

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Solution

The fourth proportional to 1,668,161.60, 2,302,067.84 and 904,218.24 is: 1,247,823.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,161.60 : 2,302,067.84 = 904,218.24 : x
  2. Step 2: Convert to fraction form
    1,668,161.60/2,302,067.84 = 904,218.24/x
  3. Step 3: Cross multiply
    1,668,161.60x = 2,302,067.84 × 904,218.24
  4. Step 4: Simplify right side
    1,668,161.60x = 2,081,571,730,645.40
  5. Step 5: Solve for x
    x = 2,081,571,730,645.40/1,668,161.60
  6. Step 6: Final answer
    x = 1,247,823.79

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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.