Home / 759,889.92-1,141,902.72-405,154.56

Finding the Fourth Proportional to 759,889.92, 1,141,902.72 and 405,154.56

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Solution

The fourth proportional to 759,889.92, 1,141,902.72 and 405,154.56 is: 608,834.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,889.92 : 1,141,902.72 = 405,154.56 : x
  2. Step 2: Convert to fraction form
    759,889.92/1,141,902.72 = 405,154.56/x
  3. Step 3: Cross multiply
    759,889.92x = 1,141,902.72 × 405,154.56
  4. Step 4: Simplify right side
    759,889.92x = 462,647,094,084.40
  5. Step 5: Solve for x
    x = 462,647,094,084.40/759,889.92
  6. Step 6: Final answer
    x = 608,834.36

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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.