Home / 489,086.23-733,477.78-236,209.51

Finding the Fourth Proportional to 489,086.23, 733,477.78 and 236,209.51

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Solution

The fourth proportional to 489,086.23, 733,477.78 and 236,209.51 is: 354,241.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,086.23 : 733,477.78 = 236,209.51 : x
  2. Step 2: Convert to fraction form
    489,086.23/733,477.78 = 236,209.51/x
  3. Step 3: Cross multiply
    489,086.23x = 733,477.78 × 236,209.51
  4. Step 4: Simplify right side
    489,086.23x = 173,254,427,009.69
  5. Step 5: Solve for x
    x = 173,254,427,009.69/489,086.23
  6. Step 6: Final answer
    x = 354,241.07

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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.