Home / 1,719,453.80-2,578,259.10-721,053.80

Finding the Fourth Proportional to 1,719,453.80, 2,578,259.10 and 721,053.80

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Solution

The fourth proportional to 1,719,453.80, 2,578,259.10 and 721,053.80 is: 1,081,194.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,453.80 : 2,578,259.10 = 721,053.80 : x
  2. Step 2: Convert to fraction form
    1,719,453.80/2,578,259.10 = 721,053.80/x
  3. Step 3: Cross multiply
    1,719,453.80x = 2,578,259.10 × 721,053.80
  4. Step 4: Simplify right side
    1,719,453.80x = 1,859,063,521,439.58
  5. Step 5: Solve for x
    x = 1,859,063,521,439.58/1,719,453.80
  6. Step 6: Final answer
    x = 1,081,194.23

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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.