Home / 418,526.84-577,564.20-227,540.23

Finding the Fourth Proportional to 418,526.84, 577,564.20 and 227,540.23

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Solution

The fourth proportional to 418,526.84, 577,564.20 and 227,540.23 is: 314,003.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,526.84 : 577,564.20 = 227,540.23 : x
  2. Step 2: Convert to fraction form
    418,526.84/577,564.20 = 227,540.23/x
  3. Step 3: Cross multiply
    418,526.84x = 577,564.20 × 227,540.23
  4. Step 4: Simplify right side
    418,526.84x = 131,419,089,770.07
  5. Step 5: Solve for x
    x = 131,419,089,770.07/418,526.84
  6. Step 6: Final answer
    x = 314,003.97

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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.