Home / 455,162.57-626,439.03-334,112.12

Finding the Fourth Proportional to 455,162.57, 626,439.03 and 334,112.12

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Solution

The fourth proportional to 455,162.57, 626,439.03 and 334,112.12 is: 459,837.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,162.57 : 626,439.03 = 334,112.12 : x
  2. Step 2: Convert to fraction form
    455,162.57/626,439.03 = 334,112.12/x
  3. Step 3: Cross multiply
    455,162.57x = 626,439.03 × 334,112.12
  4. Step 4: Simplify right side
    455,162.57x = 209,300,869,231.85
  5. Step 5: Solve for x
    x = 209,300,869,231.85/455,162.57
  6. Step 6: Final answer
    x = 459,837.62

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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.