Home / 1,313,081.73-1,969,794.86-514,259.48

Finding the Fourth Proportional to 1,313,081.73, 1,969,794.86 and 514,259.48

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Solution

The fourth proportional to 1,313,081.73, 1,969,794.86 and 514,259.48 is: 771,456.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,081.73 : 1,969,794.86 = 514,259.48 : x
  2. Step 2: Convert to fraction form
    1,313,081.73/1,969,794.86 = 514,259.48/x
  3. Step 3: Cross multiply
    1,313,081.73x = 1,969,794.86 × 514,259.48
  4. Step 4: Simplify right side
    1,313,081.73x = 1,012,985,682,763.46
  5. Step 5: Solve for x
    x = 1,012,985,682,763.46/1,313,081.73
  6. Step 6: Final answer
    x = 771,456.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.