Home / 421,797.20-582,080.04-230,810.52

Finding the Fourth Proportional to 421,797.20, 582,080.04 and 230,810.52

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Solution

The fourth proportional to 421,797.20, 582,080.04 and 230,810.52 is: 318,518.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,797.20 : 582,080.04 = 230,810.52 : x
  2. Step 2: Convert to fraction form
    421,797.20/582,080.04 = 230,810.52/x
  3. Step 3: Cross multiply
    421,797.20x = 582,080.04 × 230,810.52
  4. Step 4: Simplify right side
    421,797.20x = 134,350,196,714.02
  5. Step 5: Solve for x
    x = 134,350,196,714.02/421,797.20
  6. Step 6: Final answer
    x = 318,518.47

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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.