Home / 849,654.97-1,172,635.82-510,145.09

Finding the Fourth Proportional to 849,654.97, 1,172,635.82 and 510,145.09

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Solution

The fourth proportional to 849,654.97, 1,172,635.82 and 510,145.09 is: 704,067.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,654.97 : 1,172,635.82 = 510,145.09 : x
  2. Step 2: Convert to fraction form
    849,654.97/1,172,635.82 = 510,145.09/x
  3. Step 3: Cross multiply
    849,654.97x = 1,172,635.82 × 510,145.09
  4. Step 4: Simplify right side
    849,654.97x = 598,214,404,274.90
  5. Step 5: Solve for x
    x = 598,214,404,274.90/849,654.97
  6. Step 6: Final answer
    x = 704,067.45

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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.