Home / 756,551.49-1,044,009.62-412,379.85

Finding the Fourth Proportional to 756,551.49, 1,044,009.62 and 412,379.85

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Solution

The fourth proportional to 756,551.49, 1,044,009.62 and 412,379.85 is: 569,067.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,551.49 : 1,044,009.62 = 412,379.85 : x
  2. Step 2: Convert to fraction form
    756,551.49/1,044,009.62 = 412,379.85/x
  3. Step 3: Cross multiply
    756,551.49x = 1,044,009.62 × 412,379.85
  4. Step 4: Simplify right side
    756,551.49x = 430,528,528,432.26
  5. Step 5: Solve for x
    x = 430,528,528,432.26/756,551.49
  6. Step 6: Final answer
    x = 569,067.06

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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.