Home / 836,187.05-1,153,918.76-487,305.22

Finding the Fourth Proportional to 836,187.05, 1,153,918.76 and 487,305.22

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Solution

The fourth proportional to 836,187.05, 1,153,918.76 and 487,305.22 is: 672,469.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,187.05 : 1,153,918.76 = 487,305.22 : x
  2. Step 2: Convert to fraction form
    836,187.05/1,153,918.76 = 487,305.22/x
  3. Step 3: Cross multiply
    836,187.05x = 1,153,918.76 × 487,305.22
  4. Step 4: Simplify right side
    836,187.05x = 562,310,629,434.33
  5. Step 5: Solve for x
    x = 562,310,629,434.33/836,187.05
  6. Step 6: Final answer
    x = 672,469.91

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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.