Home / 680,739.36-1,021,031.28-182,142.24

Finding the Fourth Proportional to 680,739.36, 1,021,031.28 and 182,142.24

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Solution

The fourth proportional to 680,739.36, 1,021,031.28 and 182,142.24 is: 273,192.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,739.36 : 1,021,031.28 = 182,142.24 : x
  2. Step 2: Convert to fraction form
    680,739.36/1,021,031.28 = 182,142.24/x
  3. Step 3: Cross multiply
    680,739.36x = 1,021,031.28 × 182,142.24
  4. Step 4: Simplify right side
    680,739.36x = 185,972,924,449.27
  5. Step 5: Solve for x
    x = 185,972,924,449.27/680,739.36
  6. Step 6: Final answer
    x = 273,192.55

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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.