Home / 1,150,254.36-1,587,357.30-667,105.96

Finding the Fourth Proportional to 1,150,254.36, 1,587,357.30 and 667,105.96

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Solution

The fourth proportional to 1,150,254.36, 1,587,357.30 and 667,105.96 is: 920,609.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,254.36 : 1,587,357.30 = 667,105.96 : x
  2. Step 2: Convert to fraction form
    1,150,254.36/1,587,357.30 = 667,105.96/x
  3. Step 3: Cross multiply
    1,150,254.36x = 1,587,357.30 × 667,105.96
  4. Step 4: Simplify right side
    1,150,254.36x = 1,058,935,515,479.51
  5. Step 5: Solve for x
    x = 1,058,935,515,479.51/1,150,254.36
  6. Step 6: Final answer
    x = 920,609.87

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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.