Home / 836,186.17-1,153,917.56-487,304.34

Finding the Fourth Proportional to 836,186.17, 1,153,917.56 and 487,304.34

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Solution

The fourth proportional to 836,186.17, 1,153,917.56 and 487,304.34 is: 672,468.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,186.17 : 1,153,917.56 = 487,304.34 : x
  2. Step 2: Convert to fraction form
    836,186.17/1,153,917.56 = 487,304.34/x
  3. Step 3: Cross multiply
    836,186.17x = 1,153,917.56 × 487,304.34
  4. Step 4: Simplify right side
    836,186.17x = 562,309,033,467.38
  5. Step 5: Solve for x
    x = 562,309,033,467.38/836,186.17
  6. Step 6: Final answer
    x = 672,468.71

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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.