Home / 936,320.31-1,291,754.37-543,786.45

Finding the Fourth Proportional to 936,320.31, 1,291,754.37 and 543,786.45

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Solution

The fourth proportional to 936,320.31, 1,291,754.37 and 543,786.45 is: 750,211.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,320.31 : 1,291,754.37 = 543,786.45 : x
  2. Step 2: Convert to fraction form
    936,320.31/1,291,754.37 = 543,786.45/x
  3. Step 3: Cross multiply
    936,320.31x = 1,291,754.37 × 543,786.45
  4. Step 4: Simplify right side
    936,320.31x = 702,438,523,134.29
  5. Step 5: Solve for x
    x = 702,438,523,134.29/936,320.31
  6. Step 6: Final answer
    x = 750,211.78

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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.