Home / 1,299,815.67-1,793,141.17-841,078.34

Finding the Fourth Proportional to 1,299,815.67, 1,793,141.17 and 841,078.34

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Solution

The fourth proportional to 1,299,815.67, 1,793,141.17 and 841,078.34 is: 1,160,296.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,815.67 : 1,793,141.17 = 841,078.34 : x
  2. Step 2: Convert to fraction form
    1,299,815.67/1,793,141.17 = 841,078.34/x
  3. Step 3: Cross multiply
    1,299,815.67x = 1,793,141.17 × 841,078.34
  4. Step 4: Simplify right side
    1,299,815.67x = 1,508,172,198,649.26
  5. Step 5: Solve for x
    x = 1,508,172,198,649.26/1,299,815.67
  6. Step 6: Final answer
    x = 1,160,296.98

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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.