Home / 1,299,472.34-1,793,746.65-783,244.66

Finding the Fourth Proportional to 1,299,472.34, 1,793,746.65 and 783,244.66

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Solution

The fourth proportional to 1,299,472.34, 1,793,746.65 and 783,244.66 is: 1,081,163.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,472.34 : 1,793,746.65 = 783,244.66 : x
  2. Step 2: Convert to fraction form
    1,299,472.34/1,793,746.65 = 783,244.66/x
  3. Step 3: Cross multiply
    1,299,472.34x = 1,793,746.65 × 783,244.66
  4. Step 4: Simplify right side
    1,299,472.34x = 1,404,942,485,257.75
  5. Step 5: Solve for x
    x = 1,404,942,485,257.75/1,299,472.34
  6. Step 6: Final answer
    x = 1,081,163.82

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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.