Home / 1,256,322.80-1,885,067.40-657,959.60

Finding the Fourth Proportional to 1,256,322.80, 1,885,067.40 and 657,959.60

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Solution

The fourth proportional to 1,256,322.80, 1,885,067.40 and 657,959.60 is: 987,244.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,322.80 : 1,885,067.40 = 657,959.60 : x
  2. Step 2: Convert to fraction form
    1,256,322.80/1,885,067.40 = 657,959.60/x
  3. Step 3: Cross multiply
    1,256,322.80x = 1,885,067.40 × 657,959.60
  4. Step 4: Simplify right side
    1,256,322.80x = 1,240,298,192,477.04
  5. Step 5: Solve for x
    x = 1,240,298,192,477.04/1,256,322.80
  6. Step 6: Final answer
    x = 987,244.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.