Home / 728,323.20-1,092,876.48-701,813.28

Finding the Fourth Proportional to 728,323.20, 1,092,876.48 and 701,813.28

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Solution

The fourth proportional to 728,323.20, 1,092,876.48 and 701,813.28 is: 1,053,097.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,323.20 : 1,092,876.48 = 701,813.28 : x
  2. Step 2: Convert to fraction form
    728,323.20/1,092,876.48 = 701,813.28/x
  3. Step 3: Cross multiply
    728,323.20x = 1,092,876.48 × 701,813.28
  4. Step 4: Simplify right side
    728,323.20x = 766,995,227,063.65
  5. Step 5: Solve for x
    x = 766,995,227,063.65/728,323.20
  6. Step 6: Final answer
    x = 1,053,097.34

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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.