Home / 418,575.56-577,618.34-227,589.10

Finding the Fourth Proportional to 418,575.56, 577,618.34 and 227,589.10

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Solution

The fourth proportional to 418,575.56, 577,618.34 and 227,589.10 is: 314,064.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,575.56 : 577,618.34 = 227,589.10 : x
  2. Step 2: Convert to fraction form
    418,575.56/577,618.34 = 227,589.10/x
  3. Step 3: Cross multiply
    418,575.56x = 577,618.34 × 227,589.10
  4. Step 4: Simplify right side
    418,575.56x = 131,459,638,144.09
  5. Step 5: Solve for x
    x = 131,459,638,144.09/418,575.56
  6. Step 6: Final answer
    x = 314,064.29

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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.