Home / 576,619.56-864,929.34-261,069.48

Finding the Fourth Proportional to 576,619.56, 864,929.34 and 261,069.48

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Solution

The fourth proportional to 576,619.56, 864,929.34 and 261,069.48 is: 391,604.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,619.56 : 864,929.34 = 261,069.48 : x
  2. Step 2: Convert to fraction form
    576,619.56/864,929.34 = 261,069.48/x
  3. Step 3: Cross multiply
    576,619.56x = 864,929.34 × 261,069.48
  4. Step 4: Simplify right side
    576,619.56x = 225,806,653,030.54
  5. Step 5: Solve for x
    x = 225,806,653,030.54/576,619.56
  6. Step 6: Final answer
    x = 391,604.22

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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.