Home / 661,049.85-911,913.06-431,741.37

Finding the Fourth Proportional to 661,049.85, 911,913.06 and 431,741.37

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Solution

The fourth proportional to 661,049.85, 911,913.06 and 431,741.37 is: 595,583.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,049.85 : 911,913.06 = 431,741.37 : x
  2. Step 2: Convert to fraction form
    661,049.85/911,913.06 = 431,741.37/x
  3. Step 3: Cross multiply
    661,049.85x = 911,913.06 × 431,741.37
  4. Step 4: Simplify right side
    661,049.85x = 393,710,593,845.29
  5. Step 5: Solve for x
    x = 393,710,593,845.29/661,049.85
  6. Step 6: Final answer
    x = 595,583.82

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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.