Home / 1,266,863.33-1,748,249.79-686,081.74

Finding the Fourth Proportional to 1,266,863.33, 1,748,249.79 and 686,081.74

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Solution

The fourth proportional to 1,266,863.33, 1,748,249.79 and 686,081.74 is: 946,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,863.33 : 1,748,249.79 = 686,081.74 : x
  2. Step 2: Convert to fraction form
    1,266,863.33/1,748,249.79 = 686,081.74/x
  3. Step 3: Cross multiply
    1,266,863.33x = 1,748,249.79 × 686,081.74
  4. Step 4: Simplify right side
    1,266,863.33x = 1,199,442,257,877.83
  5. Step 5: Solve for x
    x = 1,199,442,257,877.83/1,266,863.33
  6. Step 6: Final answer
    x = 946,781.10

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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.