Home / 418,496.45-577,500.57-227,508.17

Finding the Fourth Proportional to 418,496.45, 577,500.57 and 227,508.17

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Solution

The fourth proportional to 418,496.45, 577,500.57 and 227,508.17 is: 313,947.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,496.45 : 577,500.57 = 227,508.17 : x
  2. Step 2: Convert to fraction form
    418,496.45/577,500.57 = 227,508.17/x
  3. Step 3: Cross multiply
    418,496.45x = 577,500.57 × 227,508.17
  4. Step 4: Simplify right side
    418,496.45x = 131,386,094,967.15
  5. Step 5: Solve for x
    x = 131,386,094,967.15/418,496.45
  6. Step 6: Final answer
    x = 313,947.94

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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.