Home / 1,669,886.51-2,304,660.45-935,120.52

Finding the Fourth Proportional to 1,669,886.51, 2,304,660.45 and 935,120.52

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Solution

The fourth proportional to 1,669,886.51, 2,304,660.45 and 935,120.52 is: 1,290,587.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,886.51 : 2,304,660.45 = 935,120.52 : x
  2. Step 2: Convert to fraction form
    1,669,886.51/2,304,660.45 = 935,120.52/x
  3. Step 3: Cross multiply
    1,669,886.51x = 2,304,660.45 × 935,120.52
  4. Step 4: Simplify right side
    1,669,886.51x = 2,155,135,283,155.94
  5. Step 5: Solve for x
    x = 2,155,135,283,155.94/1,669,886.51
  6. Step 6: Final answer
    x = 1,290,587.88

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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.