Home / 1,279,968.20-1,766,322.24-706,996.07

Finding the Fourth Proportional to 1,279,968.20, 1,766,322.24 and 706,996.07

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Solution

The fourth proportional to 1,279,968.20, 1,766,322.24 and 706,996.07 is: 975,635.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,968.20 : 1,766,322.24 = 706,996.07 : x
  2. Step 2: Convert to fraction form
    1,279,968.20/1,766,322.24 = 706,996.07/x
  3. Step 3: Cross multiply
    1,279,968.20x = 1,766,322.24 × 706,996.07
  4. Step 4: Simplify right side
    1,279,968.20x = 1,248,782,882,033.60
  5. Step 5: Solve for x
    x = 1,248,782,882,033.60/1,279,968.20
  6. Step 6: Final answer
    x = 975,635.87

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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.