Home / 1,283,892.82-1,771,750.39-710,920.69

Finding the Fourth Proportional to 1,283,892.82, 1,771,750.39 and 710,920.69

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Solution

The fourth proportional to 1,283,892.82, 1,771,750.39 and 710,920.69 is: 981,058.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,892.82 : 1,771,750.39 = 710,920.69 : x
  2. Step 2: Convert to fraction form
    1,283,892.82/1,771,750.39 = 710,920.69/x
  3. Step 3: Cross multiply
    1,283,892.82x = 1,771,750.39 × 710,920.69
  4. Step 4: Simplify right side
    1,283,892.82x = 1,259,574,009,766.57
  5. Step 5: Solve for x
    x = 1,259,574,009,766.57/1,283,892.82
  6. Step 6: Final answer
    x = 981,058.54

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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.