Home / 418,205.73-577,105.10-236,913.96

Finding the Fourth Proportional to 418,205.73, 577,105.10 and 236,913.96

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Solution

The fourth proportional to 418,205.73, 577,105.10 and 236,913.96 is: 326,930.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,205.73 : 577,105.10 = 236,913.96 : x
  2. Step 2: Convert to fraction form
    418,205.73/577,105.10 = 236,913.96/x
  3. Step 3: Cross multiply
    418,205.73x = 577,105.10 × 236,913.96
  4. Step 4: Simplify right side
    418,205.73x = 136,724,257,777.84
  5. Step 5: Solve for x
    x = 136,724,257,777.84/418,205.73
  6. Step 6: Final answer
    x = 326,930.62

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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.