Home / 1,211,068.39-1,668,974.79-866,305.56

Finding the Fourth Proportional to 1,211,068.39, 1,668,974.79 and 866,305.56

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Solution

The fourth proportional to 1,211,068.39, 1,668,974.79 and 866,305.56 is: 1,193,856.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,068.39 : 1,668,974.79 = 866,305.56 : x
  2. Step 2: Convert to fraction form
    1,211,068.39/1,668,974.79 = 866,305.56/x
  3. Step 3: Cross multiply
    1,211,068.39x = 1,668,974.79 × 866,305.56
  4. Step 4: Simplify right side
    1,211,068.39x = 1,445,842,134,588.55
  5. Step 5: Solve for x
    x = 1,445,842,134,588.55/1,211,068.39
  6. Step 6: Final answer
    x = 1,193,856.72

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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.