Home / 411,521.16-568,093.35-309,585.44

Finding the Fourth Proportional to 411,521.16, 568,093.35 and 309,585.44

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Solution

The fourth proportional to 411,521.16, 568,093.35 and 309,585.44 is: 427,373.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,521.16 : 568,093.35 = 309,585.44 : x
  2. Step 2: Convert to fraction form
    411,521.16/568,093.35 = 309,585.44/x
  3. Step 3: Cross multiply
    411,521.16x = 568,093.35 × 309,585.44
  4. Step 4: Simplify right side
    411,521.16x = 175,873,430,560.59
  5. Step 5: Solve for x
    x = 175,873,430,560.59/411,521.16
  6. Step 6: Final answer
    x = 427,373.97

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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.