Home / 411,863.20-618,025.20-175,165.60

Finding the Fourth Proportional to 411,863.20, 618,025.20 and 175,165.60

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Solution

The fourth proportional to 411,863.20, 618,025.20 and 175,165.60 is: 262,846.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,863.20 : 618,025.20 = 175,165.60 : x
  2. Step 2: Convert to fraction form
    411,863.20/618,025.20 = 175,165.60/x
  3. Step 3: Cross multiply
    411,863.20x = 618,025.20 × 175,165.60
  4. Step 4: Simplify right side
    411,863.20x = 108,256,754,973.12
  5. Step 5: Solve for x
    x = 108,256,754,973.12/411,863.20
  6. Step 6: Final answer
    x = 262,846.39

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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.