Home / 1,691,508.08-2,334,279.79-917,164.58

Finding the Fourth Proportional to 1,691,508.08, 2,334,279.79 and 917,164.58

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Solution

The fourth proportional to 1,691,508.08, 2,334,279.79 and 917,164.58 is: 1,265,686.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,508.08 : 2,334,279.79 = 917,164.58 : x
  2. Step 2: Convert to fraction form
    1,691,508.08/2,334,279.79 = 917,164.58/x
  3. Step 3: Cross multiply
    1,691,508.08x = 2,334,279.79 × 917,164.58
  4. Step 4: Simplify right side
    1,691,508.08x = 2,140,918,743,197.84
  5. Step 5: Solve for x
    x = 2,140,918,743,197.84/1,691,508.08
  6. Step 6: Final answer
    x = 1,265,686.38

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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.