Home / 418,088.44-576,972.78-227,112.76

Finding the Fourth Proportional to 418,088.44, 576,972.78 and 227,112.76

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Solution

The fourth proportional to 418,088.44, 576,972.78 and 227,112.76 is: 313,421.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,088.44 : 576,972.78 = 227,112.76 : x
  2. Step 2: Convert to fraction form
    418,088.44/576,972.78 = 227,112.76/x
  3. Step 3: Cross multiply
    418,088.44x = 576,972.78 × 227,112.76
  4. Step 4: Simplify right side
    418,088.44x = 131,037,880,510.67
  5. Step 5: Solve for x
    x = 131,037,880,510.67/418,088.44
  6. Step 6: Final answer
    x = 313,421.44

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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.