Home / 1,071,290.36-1,478,331-587,843.48

Finding the Fourth Proportional to 1,071,290.36, 1,478,331 and 587,843.48

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Solution

The fourth proportional to 1,071,290.36, 1,478,331 and 587,843.48 is: 811,196.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,290.36 : 1,478,331 = 587,843.48 : x
  2. Step 2: Convert to fraction form
    1,071,290.36/1,478,331 = 587,843.48/x
  3. Step 3: Cross multiply
    1,071,290.36x = 1,478,331 × 587,843.48
  4. Step 4: Simplify right side
    1,071,290.36x = 869,027,239,631.88
  5. Step 5: Solve for x
    x = 869,027,239,631.88/1,071,290.36
  6. Step 6: Final answer
    x = 811,196.73

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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.