Home / 1,093,511.61-1,640,257.34-345,557.61

Finding the Fourth Proportional to 1,093,511.61, 1,640,257.34 and 345,557.61

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Solution

The fourth proportional to 1,093,511.61, 1,640,257.34 and 345,557.61 is: 518,333.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,511.61 : 1,640,257.34 = 345,557.61 : x
  2. Step 2: Convert to fraction form
    1,093,511.61/1,640,257.34 = 345,557.61/x
  3. Step 3: Cross multiply
    1,093,511.61x = 1,640,257.34 × 345,557.61
  4. Step 4: Simplify right side
    1,093,511.61x = 566,803,404,467.57
  5. Step 5: Solve for x
    x = 566,803,404,467.57/1,093,511.61
  6. Step 6: Final answer
    x = 518,333.23

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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.