Home / 855,110.42-1,283,041.11-322,506.97

Finding the Fourth Proportional to 855,110.42, 1,283,041.11 and 322,506.97

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Solution

The fourth proportional to 855,110.42, 1,283,041.11 and 322,506.97 is: 483,902.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,110.42 : 1,283,041.11 = 322,506.97 : x
  2. Step 2: Convert to fraction form
    855,110.42/1,283,041.11 = 322,506.97/x
  3. Step 3: Cross multiply
    855,110.42x = 1,283,041.11 × 322,506.97
  4. Step 4: Simplify right side
    855,110.42x = 413,789,698,773.34
  5. Step 5: Solve for x
    x = 413,789,698,773.34/855,110.42
  6. Step 6: Final answer
    x = 483,902.07

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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.