Home / 1,241,168.91-1,861,716.16-342,665.47

Finding the Fourth Proportional to 1,241,168.91, 1,861,716.16 and 342,665.47

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Solution

The fourth proportional to 1,241,168.91, 1,861,716.16 and 342,665.47 is: 513,987.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,168.91 : 1,861,716.16 = 342,665.47 : x
  2. Step 2: Convert to fraction form
    1,241,168.91/1,861,716.16 = 342,665.47/x
  3. Step 3: Cross multiply
    1,241,168.91x = 1,861,716.16 × 342,665.47
  4. Step 4: Simplify right side
    1,241,168.91x = 637,945,842,973.00
  5. Step 5: Solve for x
    x = 637,945,842,973.00/1,241,168.91
  6. Step 6: Final answer
    x = 513,987.93

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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.