Home / 1,242,349.94-1,863,566.34-343,716.38

Finding the Fourth Proportional to 1,242,349.94, 1,863,566.34 and 343,716.38

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Solution

The fourth proportional to 1,242,349.94, 1,863,566.34 and 343,716.38 is: 515,586.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,349.94 : 1,863,566.34 = 343,716.38 : x
  2. Step 2: Convert to fraction form
    1,242,349.94/1,863,566.34 = 343,716.38/x
  3. Step 3: Cross multiply
    1,242,349.94x = 1,863,566.34 × 343,716.38
  4. Step 4: Simplify right side
    1,242,349.94x = 640,538,276,274.65
  5. Step 5: Solve for x
    x = 640,538,276,274.65/1,242,349.94
  6. Step 6: Final answer
    x = 515,586.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.