Home / 524,556.20-723,823.32-330,891.18

Finding the Fourth Proportional to 524,556.20, 723,823.32 and 330,891.18

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Solution

The fourth proportional to 524,556.20, 723,823.32 and 330,891.18 is: 456,589.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,556.20 : 723,823.32 = 330,891.18 : x
  2. Step 2: Convert to fraction form
    524,556.20/723,823.32 = 330,891.18/x
  3. Step 3: Cross multiply
    524,556.20x = 723,823.32 × 330,891.18
  4. Step 4: Simplify right side
    524,556.20x = 239,506,752,466.32
  5. Step 5: Solve for x
    x = 239,506,752,466.32/524,556.20
  6. Step 6: Final answer
    x = 456,589.31

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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.