Home / 1,309,719.19-1,964,816.75-541,218.75

Finding the Fourth Proportional to 1,309,719.19, 1,964,816.75 and 541,218.75

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Solution

The fourth proportional to 1,309,719.19, 1,964,816.75 and 541,218.75 is: 811,926.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,719.19 : 1,964,816.75 = 541,218.75 : x
  2. Step 2: Convert to fraction form
    1,309,719.19/1,964,816.75 = 541,218.75/x
  3. Step 3: Cross multiply
    1,309,719.19x = 1,964,816.75 × 541,218.75
  4. Step 4: Simplify right side
    1,309,719.19x = 1,063,395,662,707.97
  5. Step 5: Solve for x
    x = 1,063,395,662,707.97/1,309,719.19
  6. Step 6: Final answer
    x = 811,926.46

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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.