Home / 1,283,994.18-1,771,910.37-711,033.66

Finding the Fourth Proportional to 1,283,994.18, 1,771,910.37 and 711,033.66

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Solution

The fourth proportional to 1,283,994.18, 1,771,910.37 and 711,033.66 is: 981,225.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,994.18 : 1,771,910.37 = 711,033.66 : x
  2. Step 2: Convert to fraction form
    1,283,994.18/1,771,910.37 = 711,033.66/x
  3. Step 3: Cross multiply
    1,283,994.18x = 1,771,910.37 × 711,033.66
  4. Step 4: Simplify right side
    1,283,994.18x = 1,259,887,915,573.05
  5. Step 5: Solve for x
    x = 1,259,887,915,573.05/1,283,994.18
  6. Step 6: Final answer
    x = 981,225.57

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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.