Home / 1,691,311.62-2,537,340.59-493,327.70

Finding the Fourth Proportional to 1,691,311.62, 2,537,340.59 and 493,327.70

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Solution

The fourth proportional to 1,691,311.62, 2,537,340.59 and 493,327.70 is: 740,100.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,311.62 : 2,537,340.59 = 493,327.70 : x
  2. Step 2: Convert to fraction form
    1,691,311.62/2,537,340.59 = 493,327.70/x
  3. Step 3: Cross multiply
    1,691,311.62x = 2,537,340.59 × 493,327.70
  4. Step 4: Simplify right side
    1,691,311.62x = 1,251,740,395,442.99
  5. Step 5: Solve for x
    x = 1,251,740,395,442.99/1,691,311.62
  6. Step 6: Final answer
    x = 740,100.39

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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.