Home / 766,165.31-1,149,247.95-361,263.27

Finding the Fourth Proportional to 766,165.31, 1,149,247.95 and 361,263.27

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Solution

The fourth proportional to 766,165.31, 1,149,247.95 and 361,263.27 is: 541,894.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,165.31 : 1,149,247.95 = 361,263.27 : x
  2. Step 2: Convert to fraction form
    766,165.31/1,149,247.95 = 361,263.27/x
  3. Step 3: Cross multiply
    766,165.31x = 1,149,247.95 × 361,263.27
  4. Step 4: Simplify right side
    766,165.31x = 415,181,072,457.80
  5. Step 5: Solve for x
    x = 415,181,072,457.80/766,165.31
  6. Step 6: Final answer
    x = 541,894.90

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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.