Home / 383,864.23-529,561.47-222,625.81

Finding the Fourth Proportional to 383,864.23, 529,561.47 and 222,625.81

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Solution

The fourth proportional to 383,864.23, 529,561.47 and 222,625.81 is: 307,124.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,864.23 : 529,561.47 = 222,625.81 : x
  2. Step 2: Convert to fraction form
    383,864.23/529,561.47 = 222,625.81/x
  3. Step 3: Cross multiply
    383,864.23x = 529,561.47 × 222,625.81
  4. Step 4: Simplify right side
    383,864.23x = 117,894,051,203.54
  5. Step 5: Solve for x
    x = 117,894,051,203.54/383,864.23
  6. Step 6: Final answer
    x = 307,124.35

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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.