Home / 439,338.36-658,878.35-186,616.83

Finding the Fourth Proportional to 439,338.36, 658,878.35 and 186,616.83

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Solution

The fourth proportional to 439,338.36, 658,878.35 and 186,616.83 is: 279,870.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,338.36 : 658,878.35 = 186,616.83 : x
  2. Step 2: Convert to fraction form
    439,338.36/658,878.35 = 186,616.83/x
  3. Step 3: Cross multiply
    439,338.36x = 658,878.35 × 186,616.83
  4. Step 4: Simplify right side
    439,338.36x = 122,957,791,146.37
  5. Step 5: Solve for x
    x = 122,957,791,146.37/439,338.36
  6. Step 6: Final answer
    x = 279,870.38

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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.