Home / 741,012.23-1,022,583.52-418,715.39

Finding the Fourth Proportional to 741,012.23, 1,022,583.52 and 418,715.39

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Solution

The fourth proportional to 741,012.23, 1,022,583.52 and 418,715.39 is: 577,819.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,012.23 : 1,022,583.52 = 418,715.39 : x
  2. Step 2: Convert to fraction form
    741,012.23/1,022,583.52 = 418,715.39/x
  3. Step 3: Cross multiply
    741,012.23x = 1,022,583.52 × 418,715.39
  4. Step 4: Simplify right side
    741,012.23x = 428,171,457,384.37
  5. Step 5: Solve for x
    x = 428,171,457,384.37/741,012.23
  6. Step 6: Final answer
    x = 577,819.69

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Double scale
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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.