Home / 836,016.29-1,153,704.69-491,865.18

Finding the Fourth Proportional to 836,016.29, 1,153,704.69 and 491,865.18

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Solution

The fourth proportional to 836,016.29, 1,153,704.69 and 491,865.18 is: 678,775.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,016.29 : 1,153,704.69 = 491,865.18 : x
  2. Step 2: Convert to fraction form
    836,016.29/1,153,704.69 = 491,865.18/x
  3. Step 3: Cross multiply
    836,016.29x = 1,153,704.69 × 491,865.18
  4. Step 4: Simplify right side
    836,016.29x = 567,467,171,805.06
  5. Step 5: Solve for x
    x = 567,467,171,805.06/836,016.29
  6. Step 6: Final answer
    x = 678,775.26

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Double scale
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1.5x scale

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.