Home / 1,215,893.84-1,677,063.29-853,398.59

Finding the Fourth Proportional to 1,215,893.84, 1,677,063.29 and 853,398.59

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Solution

The fourth proportional to 1,215,893.84, 1,677,063.29 and 853,398.59 is: 1,177,079.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,893.84 : 1,677,063.29 = 853,398.59 : x
  2. Step 2: Convert to fraction form
    1,215,893.84/1,677,063.29 = 853,398.59/x
  3. Step 3: Cross multiply
    1,215,893.84x = 1,677,063.29 × 853,398.59
  4. Step 4: Simplify right side
    1,215,893.84x = 1,431,203,434,374.45
  5. Step 5: Solve for x
    x = 1,431,203,434,374.45/1,215,893.84
  6. Step 6: Final answer
    x = 1,177,079.28

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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.