Home / 418,739.95-577,832.70-227,749.24

Finding the Fourth Proportional to 418,739.95, 577,832.70 and 227,749.24

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Solution

The fourth proportional to 418,739.95, 577,832.70 and 227,749.24 is: 314,278.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,739.95 : 577,832.70 = 227,749.24 : x
  2. Step 2: Convert to fraction form
    418,739.95/577,832.70 = 227,749.24/x
  3. Step 3: Cross multiply
    418,739.95x = 577,832.70 × 227,749.24
  4. Step 4: Simplify right side
    418,739.95x = 131,600,958,272.15
  5. Step 5: Solve for x
    x = 131,600,958,272.15/418,739.95
  6. Step 6: Final answer
    x = 314,278.49

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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.