Home / 531,198.09-733,034.75-289,475.73

Finding the Fourth Proportional to 531,198.09, 733,034.75 and 289,475.73

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Solution

The fourth proportional to 531,198.09, 733,034.75 and 289,475.73 is: 399,466.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,198.09 : 733,034.75 = 289,475.73 : x
  2. Step 2: Convert to fraction form
    531,198.09/733,034.75 = 289,475.73/x
  3. Step 3: Cross multiply
    531,198.09x = 733,034.75 × 289,475.73
  4. Step 4: Simplify right side
    531,198.09x = 212,195,767,924.24
  5. Step 5: Solve for x
    x = 212,195,767,924.24/531,198.09
  6. Step 6: Final answer
    x = 399,466.36

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Double scale
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Similar ratio
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1.5x scale

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.