Home / 1,123,766.32-1,685,396.64-324,869.92

Finding the Fourth Proportional to 1,123,766.32, 1,685,396.64 and 324,869.92

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Solution

The fourth proportional to 1,123,766.32, 1,685,396.64 and 324,869.92 is: 487,231.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,766.32 : 1,685,396.64 = 324,869.92 : x
  2. Step 2: Convert to fraction form
    1,123,766.32/1,685,396.64 = 324,869.92/x
  3. Step 3: Cross multiply
    1,123,766.32x = 1,685,396.64 × 324,869.92
  4. Step 4: Simplify right side
    1,123,766.32x = 547,534,671,605.07
  5. Step 5: Solve for x
    x = 547,534,671,605.07/1,123,766.32
  6. Step 6: Final answer
    x = 487,231.79

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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.