Home / 836,850.06-1,254,312.78-386,625.12

Finding the Fourth Proportional to 836,850.06, 1,254,312.78 and 386,625.12

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Solution

The fourth proportional to 836,850.06, 1,254,312.78 and 386,625.12 is: 579,493.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,850.06 : 1,254,312.78 = 386,625.12 : x
  2. Step 2: Convert to fraction form
    836,850.06/1,254,312.78 = 386,625.12/x
  3. Step 3: Cross multiply
    836,850.06x = 1,254,312.78 × 386,625.12
  4. Step 4: Simplify right side
    836,850.06x = 484,948,829,085.03
  5. Step 5: Solve for x
    x = 484,948,829,085.03/836,850.06
  6. Step 6: Final answer
    x = 579,493.09

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Double scale
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Similar ratio
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1.5x scale

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.