Home / 418,340.42-577,314.23-227,353.80

Finding the Fourth Proportional to 418,340.42, 577,314.23 and 227,353.80

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Solution

The fourth proportional to 418,340.42, 577,314.23 and 227,353.80 is: 313,750.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,340.42 : 577,314.23 = 227,353.80 : x
  2. Step 2: Convert to fraction form
    418,340.42/577,314.23 = 227,353.80/x
  3. Step 3: Cross multiply
    418,340.42x = 577,314.23 × 227,353.80
  4. Step 4: Simplify right side
    418,340.42x = 131,254,582,847.81
  5. Step 5: Solve for x
    x = 131,254,582,847.81/418,340.42
  6. Step 6: Final answer
    x = 313,750.66

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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.