Home / 418,192.54-577,107.11-236,938.03

Finding the Fourth Proportional to 418,192.54, 577,107.11 and 236,938.03

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Solution

The fourth proportional to 418,192.54, 577,107.11 and 236,938.03 is: 326,975.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,192.54 : 577,107.11 = 236,938.03 : x
  2. Step 2: Convert to fraction form
    418,192.54/577,107.11 = 236,938.03/x
  3. Step 3: Cross multiply
    418,192.54x = 577,107.11 × 236,938.03
  4. Step 4: Simplify right side
    418,192.54x = 136,738,621,742.39
  5. Step 5: Solve for x
    x = 136,738,621,742.39/418,192.54
  6. Step 6: Final answer
    x = 326,975.28

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1.5x scale

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.