Home / 876,636.10-1,314,954.15-455,857.30

Finding the Fourth Proportional to 876,636.10, 1,314,954.15 and 455,857.30

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Solution

The fourth proportional to 876,636.10, 1,314,954.15 and 455,857.30 is: 683,785.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,636.10 : 1,314,954.15 = 455,857.30 : x
  2. Step 2: Convert to fraction form
    876,636.10/1,314,954.15 = 455,857.30/x
  3. Step 3: Cross multiply
    876,636.10x = 1,314,954.15 × 455,857.30
  4. Step 4: Simplify right side
    876,636.10x = 599,431,448,442.80
  5. Step 5: Solve for x
    x = 599,431,448,442.80/876,636.10
  6. Step 6: Final answer
    x = 683,785.95

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Double scale
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Similar ratio
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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.