Home / 741,338.60-1,111,586.63-291,816

Finding the Fourth Proportional to 741,338.60, 1,111,586.63 and 291,816

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Solution

The fourth proportional to 741,338.60, 1,111,586.63 and 291,816 is: 437,558.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,338.60 : 1,111,586.63 = 291,816 : x
  2. Step 2: Convert to fraction form
    741,338.60/1,111,586.63 = 291,816/x
  3. Step 3: Cross multiply
    741,338.60x = 1,111,586.63 × 291,816
  4. Step 4: Simplify right side
    741,338.60x = 324,378,762,561
  5. Step 5: Solve for x
    x = 324,378,762,561/741,338.60
  6. Step 6: Final answer
    x = 437,558.17

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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.