Home / 418,501.56-577,525.30-227,519.76

Finding the Fourth Proportional to 418,501.56, 577,525.30 and 227,519.76

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Solution

The fourth proportional to 418,501.56, 577,525.30 and 227,519.76 is: 313,973.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,501.56 : 577,525.30 = 227,519.76 : x
  2. Step 2: Convert to fraction form
    418,501.56/577,525.30 = 227,519.76/x
  3. Step 3: Cross multiply
    418,501.56x = 577,525.30 × 227,519.76
  4. Step 4: Simplify right side
    418,501.56x = 131,398,417,649.93
  5. Step 5: Solve for x
    x = 131,398,417,649.93/418,501.56
  6. Step 6: Final answer
    x = 313,973.54

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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.