Home / 1,095,719.76-1,512,065.07-612,288.87

Finding the Fourth Proportional to 1,095,719.76, 1,512,065.07 and 612,288.87

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Solution

The fourth proportional to 1,095,719.76, 1,512,065.07 and 612,288.87 is: 844,942.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,719.76 : 1,512,065.07 = 612,288.87 : x
  2. Step 2: Convert to fraction form
    1,095,719.76/1,512,065.07 = 612,288.87/x
  3. Step 3: Cross multiply
    1,095,719.76x = 1,512,065.07 × 612,288.87
  4. Step 4: Simplify right side
    1,095,719.76x = 925,820,613,076.77
  5. Step 5: Solve for x
    x = 925,820,613,076.77/1,095,719.76
  6. Step 6: Final answer
    x = 844,942.88

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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.