Home / 810,914.97-1,216,570.82-571,496.01

Finding the Fourth Proportional to 810,914.97, 1,216,570.82 and 571,496.01

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Solution

The fourth proportional to 810,914.97, 1,216,570.82 and 571,496.01 is: 857,383.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,914.97 : 1,216,570.82 = 571,496.01 : x
  2. Step 2: Convert to fraction form
    810,914.97/1,216,570.82 = 571,496.01/x
  3. Step 3: Cross multiply
    810,914.97x = 1,216,570.82 × 571,496.01
  4. Step 4: Simplify right side
    810,914.97x = 695,265,366,654.95
  5. Step 5: Solve for x
    x = 695,265,366,654.95/810,914.97
  6. Step 6: Final answer
    x = 857,383.81

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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.