Home / 1,639,972.04-2,262,187.08-1,276,820.69

Finding the Fourth Proportional to 1,639,972.04, 2,262,187.08 and 1,276,820.69

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Solution

The fourth proportional to 1,639,972.04, 2,262,187.08 and 1,276,820.69 is: 1,761,253.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,972.04 : 2,262,187.08 = 1,276,820.69 : x
  2. Step 2: Convert to fraction form
    1,639,972.04/2,262,187.08 = 1,276,820.69/x
  3. Step 3: Cross multiply
    1,639,972.04x = 2,262,187.08 × 1,276,820.69
  4. Step 4: Simplify right side
    1,639,972.04x = 2,888,407,257,083.75
  5. Step 5: Solve for x
    x = 2,888,407,257,083.75/1,639,972.04
  6. Step 6: Final answer
    x = 1,761,253.97

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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.