Home / 805,359.42-1,208,039.43-236,740.53

Finding the Fourth Proportional to 805,359.42, 1,208,039.43 and 236,740.53

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Solution

The fourth proportional to 805,359.42, 1,208,039.43 and 236,740.53 is: 355,110.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,359.42 : 1,208,039.43 = 236,740.53 : x
  2. Step 2: Convert to fraction form
    805,359.42/1,208,039.43 = 236,740.53/x
  3. Step 3: Cross multiply
    805,359.42x = 1,208,039.43 × 236,740.53
  4. Step 4: Simplify right side
    805,359.42x = 285,991,894,919.10
  5. Step 5: Solve for x
    x = 285,991,894,919.10/805,359.42
  6. Step 6: Final answer
    x = 355,110.88

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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.