Home / 1,192,971.56-1,646,251.40-649,109.48

Finding the Fourth Proportional to 1,192,971.56, 1,646,251.40 and 649,109.48

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Solution

The fourth proportional to 1,192,971.56, 1,646,251.40 and 649,109.48 is: 895,744.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,971.56 : 1,646,251.40 = 649,109.48 : x
  2. Step 2: Convert to fraction form
    1,192,971.56/1,646,251.40 = 649,109.48/x
  3. Step 3: Cross multiply
    1,192,971.56x = 1,646,251.40 × 649,109.48
  4. Step 4: Simplify right side
    1,192,971.56x = 1,068,597,390,203.27
  5. Step 5: Solve for x
    x = 1,068,597,390,203.27/1,192,971.56
  6. Step 6: Final answer
    x = 895,744.23

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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.