Home / 836,191.05-1,153,924.28-487,309.22

Finding the Fourth Proportional to 836,191.05, 1,153,924.28 and 487,309.22

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Solution

The fourth proportional to 836,191.05, 1,153,924.28 and 487,309.22 is: 672,475.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,191.05 : 1,153,924.28 = 487,309.22 : x
  2. Step 2: Convert to fraction form
    836,191.05/1,153,924.28 = 487,309.22/x
  3. Step 3: Cross multiply
    836,191.05x = 1,153,924.28 × 487,309.22
  4. Step 4: Simplify right side
    836,191.05x = 562,317,932,619.69
  5. Step 5: Solve for x
    x = 562,317,932,619.69/836,191.05
  6. Step 6: Final answer
    x = 672,475.43

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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.