Home / 399,934.27-551,833.14-236,616.40

Finding the Fourth Proportional to 399,934.27, 551,833.14 and 236,616.40

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Solution

The fourth proportional to 399,934.27, 551,833.14 and 236,616.40 is: 326,485.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,934.27 : 551,833.14 = 236,616.40 : x
  2. Step 2: Convert to fraction form
    399,934.27/551,833.14 = 236,616.40/x
  3. Step 3: Cross multiply
    399,934.27x = 551,833.14 × 236,616.40
  4. Step 4: Simplify right side
    399,934.27x = 130,572,770,987.50
  5. Step 5: Solve for x
    x = 130,572,770,987.50/399,934.27
  6. Step 6: Final answer
    x = 326,485.58

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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.