Home / 1,266,859.11-1,748,262.96-686,080.44

Finding the Fourth Proportional to 1,266,859.11, 1,748,262.96 and 686,080.44

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Solution

The fourth proportional to 1,266,859.11, 1,748,262.96 and 686,080.44 is: 946,789.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,859.11 : 1,748,262.96 = 686,080.44 : x
  2. Step 2: Convert to fraction form
    1,266,859.11/1,748,262.96 = 686,080.44/x
  3. Step 3: Cross multiply
    1,266,859.11x = 1,748,262.96 × 686,080.44
  4. Step 4: Simplify right side
    1,266,859.11x = 1,199,449,020,832.50
  5. Step 5: Solve for x
    x = 1,199,449,020,832.50/1,266,859.11
  6. Step 6: Final answer
    x = 946,789.59

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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.