Home / 1,246,082.47-1,869,123.70-393,240.56

Finding the Fourth Proportional to 1,246,082.47, 1,869,123.70 and 393,240.56

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Solution

The fourth proportional to 1,246,082.47, 1,869,123.70 and 393,240.56 is: 589,860.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,082.47 : 1,869,123.70 = 393,240.56 : x
  2. Step 2: Convert to fraction form
    1,246,082.47/1,869,123.70 = 393,240.56/x
  3. Step 3: Cross multiply
    1,246,082.47x = 1,869,123.70 × 393,240.56
  4. Step 4: Simplify right side
    1,246,082.47x = 735,015,250,497.27
  5. Step 5: Solve for x
    x = 735,015,250,497.27/1,246,082.47
  6. Step 6: Final answer
    x = 589,860.84

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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.