Home / 756,993.32-1,044,647.80-412,828.46

Finding the Fourth Proportional to 756,993.32, 1,044,647.80 and 412,828.46

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Solution

The fourth proportional to 756,993.32, 1,044,647.80 and 412,828.46 is: 569,701.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,993.32 : 1,044,647.80 = 412,828.46 : x
  2. Step 2: Convert to fraction form
    756,993.32/1,044,647.80 = 412,828.46/x
  3. Step 3: Cross multiply
    756,993.32x = 1,044,647.80 × 412,828.46
  4. Step 4: Simplify right side
    756,993.32x = 431,260,342,516.39
  5. Step 5: Solve for x
    x = 431,260,342,516.39/756,993.32
  6. Step 6: Final answer
    x = 569,701.65

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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.