Home / 1,268,009.47-1,749,920.13-695,073.79

Finding the Fourth Proportional to 1,268,009.47, 1,749,920.13 and 695,073.79

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Solution

The fourth proportional to 1,268,009.47, 1,749,920.13 and 695,073.79 is: 959,238.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,009.47 : 1,749,920.13 = 695,073.79 : x
  2. Step 2: Convert to fraction form
    1,268,009.47/1,749,920.13 = 695,073.79/x
  3. Step 3: Cross multiply
    1,268,009.47x = 1,749,920.13 × 695,073.79
  4. Step 4: Simplify right side
    1,268,009.47x = 1,216,323,616,956.39
  5. Step 5: Solve for x
    x = 1,216,323,616,956.39/1,268,009.47
  6. Step 6: Final answer
    x = 959,238.59

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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.