Home / 1,072,262.91-1,479,352.92-685,304.83

Finding the Fourth Proportional to 1,072,262.91, 1,479,352.92 and 685,304.83

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Solution

The fourth proportional to 1,072,262.91, 1,479,352.92 and 685,304.83 is: 945,484.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,262.91 : 1,479,352.92 = 685,304.83 : x
  2. Step 2: Convert to fraction form
    1,072,262.91/1,479,352.92 = 685,304.83/x
  3. Step 3: Cross multiply
    1,072,262.91x = 1,479,352.92 × 685,304.83
  4. Step 4: Simplify right side
    1,072,262.91x = 1,013,807,701,350.60
  5. Step 5: Solve for x
    x = 1,013,807,701,350.60/1,072,262.91
  6. Step 6: Final answer
    x = 945,484.26

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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.