Home / 1,243,511.80-1,715,923.76-699,635.58

Finding the Fourth Proportional to 1,243,511.80, 1,715,923.76 and 699,635.58

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Solution

The fourth proportional to 1,243,511.80, 1,715,923.76 and 699,635.58 is: 965,428.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,511.80 : 1,715,923.76 = 699,635.58 : x
  2. Step 2: Convert to fraction form
    1,243,511.80/1,715,923.76 = 699,635.58/x
  3. Step 3: Cross multiply
    1,243,511.80x = 1,715,923.76 × 699,635.58
  4. Step 4: Simplify right side
    1,243,511.80x = 1,200,521,315,063.38
  5. Step 5: Solve for x
    x = 1,200,521,315,063.38/1,243,511.80
  6. Step 6: Final answer
    x = 965,428.16

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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.