Home / 346,724.80-518,935.20-251,684.80

Finding the Fourth Proportional to 346,724.80, 518,935.20 and 251,684.80

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Solution

The fourth proportional to 346,724.80, 518,935.20 and 251,684.80 is: 376,690.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,724.80 : 518,935.20 = 251,684.80 : x
  2. Step 2: Convert to fraction form
    346,724.80/518,935.20 = 251,684.80/x
  3. Step 3: Cross multiply
    346,724.80x = 518,935.20 × 251,684.80
  4. Step 4: Simplify right side
    346,724.80x = 130,608,102,024.96
  5. Step 5: Solve for x
    x = 130,608,102,024.96/346,724.80
  6. Step 6: Final answer
    x = 376,690.97

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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.