Home / 410,387.10-566,569.78-312,825.02

Finding the Fourth Proportional to 410,387.10, 566,569.78 and 312,825.02

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Solution

The fourth proportional to 410,387.10, 566,569.78 and 312,825.02 is: 431,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,387.10 : 566,569.78 = 312,825.02 : x
  2. Step 2: Convert to fraction form
    410,387.10/566,569.78 = 312,825.02/x
  3. Step 3: Cross multiply
    410,387.10x = 566,569.78 × 312,825.02
  4. Step 4: Simplify right side
    410,387.10x = 177,237,202,759.90
  5. Step 5: Solve for x
    x = 177,237,202,759.90/410,387.10
  6. Step 6: Final answer
    x = 431,878.10

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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.