Home / 1,639,722.79-2,262,820.56-914,617.48

Finding the Fourth Proportional to 1,639,722.79, 2,262,820.56 and 914,617.48

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Solution

The fourth proportional to 1,639,722.79, 2,262,820.56 and 914,617.48 is: 1,262,173.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,722.79 : 2,262,820.56 = 914,617.48 : x
  2. Step 2: Convert to fraction form
    1,639,722.79/2,262,820.56 = 914,617.48/x
  3. Step 3: Cross multiply
    1,639,722.79x = 2,262,820.56 × 914,617.48
  4. Step 4: Simplify right side
    1,639,722.79x = 2,069,615,238,279.39
  5. Step 5: Solve for x
    x = 2,069,615,238,279.39/1,639,722.79
  6. Step 6: Final answer
    x = 1,262,173.86

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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.