Home / 892,902.70-1,232,214.96-485,012.44

Finding the Fourth Proportional to 892,902.70, 1,232,214.96 and 485,012.44

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Solution

The fourth proportional to 892,902.70, 1,232,214.96 and 485,012.44 is: 669,322.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,902.70 : 1,232,214.96 = 485,012.44 : x
  2. Step 2: Convert to fraction form
    892,902.70/1,232,214.96 = 485,012.44/x
  3. Step 3: Cross multiply
    892,902.70x = 1,232,214.96 × 485,012.44
  4. Step 4: Simplify right side
    892,902.70x = 597,639,584,354.10
  5. Step 5: Solve for x
    x = 597,639,584,354.10/892,902.70
  6. Step 6: Final answer
    x = 669,322.18

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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.