Home / 756,822.49-1,133,949.09-456,672.37

Finding the Fourth Proportional to 756,822.49, 1,133,949.09 and 456,672.37

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Solution

The fourth proportional to 756,822.49, 1,133,949.09 and 456,672.37 is: 684,233.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,822.49 : 1,133,949.09 = 456,672.37 : x
  2. Step 2: Convert to fraction form
    756,822.49/1,133,949.09 = 456,672.37/x
  3. Step 3: Cross multiply
    756,822.49x = 1,133,949.09 × 456,672.37
  4. Step 4: Simplify right side
    756,822.49x = 517,843,218,389.64
  5. Step 5: Solve for x
    x = 517,843,218,389.64/756,822.49
  6. Step 6: Final answer
    x = 684,233.39

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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.