Home / 1,637,067.76-2,258,853.69-911,897.44

Finding the Fourth Proportional to 1,637,067.76, 2,258,853.69 and 911,897.44

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Solution

The fourth proportional to 1,637,067.76, 2,258,853.69 and 911,897.44 is: 1,258,251.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,067.76 : 2,258,853.69 = 911,897.44 : x
  2. Step 2: Convert to fraction form
    1,637,067.76/2,258,853.69 = 911,897.44/x
  3. Step 3: Cross multiply
    1,637,067.76x = 2,258,853.69 × 911,897.44
  4. Step 4: Simplify right side
    1,637,067.76x = 2,059,842,895,018.04
  5. Step 5: Solve for x
    x = 2,059,842,895,018.04/1,637,067.76
  6. Step 6: Final answer
    x = 1,258,251.46

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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.