Home / 729,216.10-1,094,152.20-329,651.20

Finding the Fourth Proportional to 729,216.10, 1,094,152.20 and 329,651.20

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Solution

The fourth proportional to 729,216.10, 1,094,152.20 and 329,651.20 is: 494,625.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,216.10 : 1,094,152.20 = 329,651.20 : x
  2. Step 2: Convert to fraction form
    729,216.10/1,094,152.20 = 329,651.20/x
  3. Step 3: Cross multiply
    729,216.10x = 1,094,152.20 × 329,651.20
  4. Step 4: Simplify right side
    729,216.10x = 360,688,585,712.64
  5. Step 5: Solve for x
    x = 360,688,585,712.64/729,216.10
  6. Step 6: Final answer
    x = 494,625.10

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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.