Home / 1,283,893.91-1,771,751.86-710,921.78

Finding the Fourth Proportional to 1,283,893.91, 1,771,751.86 and 710,921.78

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Solution

The fourth proportional to 1,283,893.91, 1,771,751.86 and 710,921.78 is: 981,060.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,893.91 : 1,771,751.86 = 710,921.78 : x
  2. Step 2: Convert to fraction form
    1,283,893.91/1,771,751.86 = 710,921.78/x
  3. Step 3: Cross multiply
    1,283,893.91x = 1,771,751.86 × 710,921.78
  4. Step 4: Simplify right side
    1,283,893.91x = 1,259,576,986,029.51
  5. Step 5: Solve for x
    x = 1,259,576,986,029.51/1,283,893.91
  6. Step 6: Final answer
    x = 981,060.02

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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.