Home / 887,654.12-1,225,408.13-582,198.56

Finding the Fourth Proportional to 887,654.12, 1,225,408.13 and 582,198.56

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Solution

The fourth proportional to 887,654.12, 1,225,408.13 and 582,198.56 is: 803,726.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,654.12 : 1,225,408.13 = 582,198.56 : x
  2. Step 2: Convert to fraction form
    887,654.12/1,225,408.13 = 582,198.56/x
  3. Step 3: Cross multiply
    887,654.12x = 1,225,408.13 × 582,198.56
  4. Step 4: Simplify right side
    887,654.12x = 713,430,839,660.26
  5. Step 5: Solve for x
    x = 713,430,839,660.26/887,654.12
  6. Step 6: Final answer
    x = 803,726.17

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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.