Home / 739,255.13-1,108,715.46-339,511.62

Finding the Fourth Proportional to 739,255.13, 1,108,715.46 and 339,511.62

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Solution

The fourth proportional to 739,255.13, 1,108,715.46 and 339,511.62 is: 509,190.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,255.13 : 1,108,715.46 = 339,511.62 : x
  2. Step 2: Convert to fraction form
    739,255.13/1,108,715.46 = 339,511.62/x
  3. Step 3: Cross multiply
    739,255.13x = 1,108,715.46 × 339,511.62
  4. Step 4: Simplify right side
    739,255.13x = 376,421,781,943.65
  5. Step 5: Solve for x
    x = 376,421,781,943.65/739,255.13
  6. Step 6: Final answer
    x = 509,190.63

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Double scale
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1.5x scale

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.