Home / 412,935.87-569,929.30-269,446.80

Finding the Fourth Proportional to 412,935.87, 569,929.30 and 269,446.80

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Solution

The fourth proportional to 412,935.87, 569,929.30 and 269,446.80 is: 371,887.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,935.87 : 569,929.30 = 269,446.80 : x
  2. Step 2: Convert to fraction form
    412,935.87/569,929.30 = 269,446.80/x
  3. Step 3: Cross multiply
    412,935.87x = 569,929.30 × 269,446.80
  4. Step 4: Simplify right side
    412,935.87x = 153,565,624,764.01
  5. Step 5: Solve for x
    x = 153,565,624,764.01/412,935.87
  6. Step 6: Final answer
    x = 371,887.35

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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.