Home / 866,279.07-1,298,546.01-361,119.51

Finding the Fourth Proportional to 866,279.07, 1,298,546.01 and 361,119.51

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Solution

The fourth proportional to 866,279.07, 1,298,546.01 and 361,119.51 is: 541,315.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,279.07 : 1,298,546.01 = 361,119.51 : x
  2. Step 2: Convert to fraction form
    866,279.07/1,298,546.01 = 361,119.51/x
  3. Step 3: Cross multiply
    866,279.07x = 1,298,546.01 × 361,119.51
  4. Step 4: Simplify right side
    866,279.07x = 468,930,298,843.66
  5. Step 5: Solve for x
    x = 468,930,298,843.66/866,279.07
  6. Step 6: Final answer
    x = 541,315.51

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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.