Home / 1,283,919.39-1,771,786.95-710,947.26

Finding the Fourth Proportional to 1,283,919.39, 1,771,786.95 and 710,947.26

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Solution

The fourth proportional to 1,283,919.39, 1,771,786.95 and 710,947.26 is: 981,095.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,919.39 : 1,771,786.95 = 710,947.26 : x
  2. Step 2: Convert to fraction form
    1,283,919.39/1,771,786.95 = 710,947.26/x
  3. Step 3: Cross multiply
    1,283,919.39x = 1,771,786.95 × 710,947.26
  4. Step 4: Simplify right side
    1,283,919.39x = 1,259,647,077,406.26
  5. Step 5: Solve for x
    x = 1,259,647,077,406.26/1,283,919.39
  6. Step 6: Final answer
    x = 981,095.14

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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.