Home / 850,841.87-1,174,146.57-463,660.65

Finding the Fourth Proportional to 850,841.87, 1,174,146.57 and 463,660.65

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Solution

The fourth proportional to 850,841.87, 1,174,146.57 and 463,660.65 is: 639,843.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,841.87 : 1,174,146.57 = 463,660.65 : x
  2. Step 2: Convert to fraction form
    850,841.87/1,174,146.57 = 463,660.65/x
  3. Step 3: Cross multiply
    850,841.87x = 1,174,146.57 × 463,660.65
  4. Step 4: Simplify right side
    850,841.87x = 544,405,561,841.47
  5. Step 5: Solve for x
    x = 544,405,561,841.47/850,841.87
  6. Step 6: Final answer
    x = 639,843.41

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Double scale
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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.