Home / 811,859.76-1,217,906.28-250,938

Finding the Fourth Proportional to 811,859.76, 1,217,906.28 and 250,938

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Solution

The fourth proportional to 811,859.76, 1,217,906.28 and 250,938 is: 376,443.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,859.76 : 1,217,906.28 = 250,938 : x
  2. Step 2: Convert to fraction form
    811,859.76/1,217,906.28 = 250,938/x
  3. Step 3: Cross multiply
    811,859.76x = 1,217,906.28 × 250,938
  4. Step 4: Simplify right side
    811,859.76x = 305,618,966,090.64
  5. Step 5: Solve for x
    x = 305,618,966,090.64/811,859.76
  6. Step 6: Final answer
    x = 376,443.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.