Home / 1,243,049.76-1,715,391.44-699,185.93

Finding the Fourth Proportional to 1,243,049.76, 1,715,391.44 and 699,185.93

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Solution

The fourth proportional to 1,243,049.76, 1,715,391.44 and 699,185.93 is: 964,866.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,049.76 : 1,715,391.44 = 699,185.93 : x
  2. Step 2: Convert to fraction form
    1,243,049.76/1,715,391.44 = 699,185.93/x
  3. Step 3: Cross multiply
    1,243,049.76x = 1,715,391.44 × 699,185.93
  4. Step 4: Simplify right side
    1,243,049.76x = 1,199,377,549,839.50
  5. Step 5: Solve for x
    x = 1,199,377,549,839.50/1,243,049.76
  6. Step 6: Final answer
    x = 964,866.89

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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.