Home / 1,712,189.38-2,568,221.78-514,080.56

Finding the Fourth Proportional to 1,712,189.38, 2,568,221.78 and 514,080.56

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Solution

The fourth proportional to 1,712,189.38, 2,568,221.78 and 514,080.56 is: 771,102.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,189.38 : 2,568,221.78 = 514,080.56 : x
  2. Step 2: Convert to fraction form
    1,712,189.38/2,568,221.78 = 514,080.56/x
  3. Step 3: Cross multiply
    1,712,189.38x = 2,568,221.78 × 514,080.56
  4. Step 4: Simplify right side
    1,712,189.38x = 1,320,272,875,455.09
  5. Step 5: Solve for x
    x = 1,320,272,875,455.09/1,712,189.38
  6. Step 6: Final answer
    x = 771,102.13

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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.