Home / 418,179.72-577,090.78-227,193.06

Finding the Fourth Proportional to 418,179.72, 577,090.78 and 227,193.06

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Solution

The fourth proportional to 418,179.72, 577,090.78 and 227,193.06 is: 313,527.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,179.72 : 577,090.78 = 227,193.06 : x
  2. Step 2: Convert to fraction form
    418,179.72/577,090.78 = 227,193.06/x
  3. Step 3: Cross multiply
    418,179.72x = 577,090.78 × 227,193.06
  4. Step 4: Simplify right side
    418,179.72x = 131,111,020,205.99
  5. Step 5: Solve for x
    x = 131,111,020,205.99/418,179.72
  6. Step 6: Final answer
    x = 313,527.93

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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.