Home / 399,933.27-551,831.76-236,615.40

Finding the Fourth Proportional to 399,933.27, 551,831.76 and 236,615.40

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Solution

The fourth proportional to 399,933.27, 551,831.76 and 236,615.40 is: 326,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,933.27 : 551,831.76 = 236,615.40 : x
  2. Step 2: Convert to fraction form
    399,933.27/551,831.76 = 236,615.40/x
  3. Step 3: Cross multiply
    399,933.27x = 551,831.76 × 236,615.40
  4. Step 4: Simplify right side
    399,933.27x = 130,571,892,625.10
  5. Step 5: Solve for x
    x = 130,571,892,625.10/399,933.27
  6. Step 6: Final answer
    x = 326,484.20

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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.