Home / 1,252,837.83-1,728,917.33-679,878

Finding the Fourth Proportional to 1,252,837.83, 1,728,917.33 and 679,878

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Solution

The fourth proportional to 1,252,837.83, 1,728,917.33 and 679,878 is: 938,232.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,837.83 : 1,728,917.33 = 679,878 : x
  2. Step 2: Convert to fraction form
    1,252,837.83/1,728,917.33 = 679,878/x
  3. Step 3: Cross multiply
    1,252,837.83x = 1,728,917.33 × 679,878
  4. Step 4: Simplify right side
    1,252,837.83x = 1,175,452,853,086.35
  5. Step 5: Solve for x
    x = 1,175,452,853,086.35/1,252,837.83
  6. Step 6: Final answer
    x = 938,232.25

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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.