Home / 1,254,268.69-1,730,889.47-681,309.31

Finding the Fourth Proportional to 1,254,268.69, 1,730,889.47 and 681,309.31

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Solution

The fourth proportional to 1,254,268.69, 1,730,889.47 and 681,309.31 is: 940,206.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,268.69 : 1,730,889.47 = 681,309.31 : x
  2. Step 2: Convert to fraction form
    1,254,268.69/1,730,889.47 = 681,309.31/x
  3. Step 3: Cross multiply
    1,254,268.69x = 1,730,889.47 × 681,309.31
  4. Step 4: Simplify right side
    1,254,268.69x = 1,179,271,110,491.97
  5. Step 5: Solve for x
    x = 1,179,271,110,491.97/1,254,268.69
  6. Step 6: Final answer
    x = 940,206.13

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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.