Home / 694,490.82-1,040,974.19-357,549.45

Finding the Fourth Proportional to 694,490.82, 1,040,974.19 and 357,549.45

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Solution

The fourth proportional to 694,490.82, 1,040,974.19 and 357,549.45 is: 535,931.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,490.82 : 1,040,974.19 = 357,549.45 : x
  2. Step 2: Convert to fraction form
    694,490.82/1,040,974.19 = 357,549.45/x
  3. Step 3: Cross multiply
    694,490.82x = 1,040,974.19 × 357,549.45
  4. Step 4: Simplify right side
    694,490.82x = 372,199,749,992.57
  5. Step 5: Solve for x
    x = 372,199,749,992.57/694,490.82
  6. Step 6: Final answer
    x = 535,931.85

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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.