Home / 1,283,891.82-1,771,749.01-710,919.69

Finding the Fourth Proportional to 1,283,891.82, 1,771,749.01 and 710,919.69

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Solution

The fourth proportional to 1,283,891.82, 1,771,749.01 and 710,919.69 is: 981,057.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,891.82 : 1,771,749.01 = 710,919.69 : x
  2. Step 2: Convert to fraction form
    1,283,891.82/1,771,749.01 = 710,919.69/x
  3. Step 3: Cross multiply
    1,283,891.82x = 1,771,749.01 × 710,919.69
  4. Step 4: Simplify right side
    1,283,891.82x = 1,259,571,256,947.01
  5. Step 5: Solve for x
    x = 1,259,571,256,947.01/1,283,891.82
  6. Step 6: Final answer
    x = 981,057.16

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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.