Home / 772,031.24-1,158,047.34-211,023.56

Finding the Fourth Proportional to 772,031.24, 1,158,047.34 and 211,023.56

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Solution

The fourth proportional to 772,031.24, 1,158,047.34 and 211,023.56 is: 316,535.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,031.24 : 1,158,047.34 = 211,023.56 : x
  2. Step 2: Convert to fraction form
    772,031.24/1,158,047.34 = 211,023.56/x
  3. Step 3: Cross multiply
    772,031.24x = 1,158,047.34 × 211,023.56
  4. Step 4: Simplify right side
    772,031.24x = 244,375,272,335.33
  5. Step 5: Solve for x
    x = 244,375,272,335.33/772,031.24
  6. Step 6: Final answer
    x = 316,535.47

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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.