Home / 418,511.36-577,545.60-227,524.16

Finding the Fourth Proportional to 418,511.36, 577,545.60 and 227,524.16

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Solution

The fourth proportional to 418,511.36, 577,545.60 and 227,524.16 is: 313,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,511.36 : 577,545.60 = 227,524.16 : x
  2. Step 2: Convert to fraction form
    418,511.36/577,545.60 = 227,524.16/x
  3. Step 3: Cross multiply
    418,511.36x = 577,545.60 × 227,524.16
  4. Step 4: Simplify right side
    418,511.36x = 131,405,577,501.70
  5. Step 5: Solve for x
    x = 131,405,577,501.70/418,511.36
  6. Step 6: Final answer
    x = 313,983.30

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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.