Home / 892,490.50-1,231,512.96-524,984.32

Finding the Fourth Proportional to 892,490.50, 1,231,512.96 and 524,984.32

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Solution

The fourth proportional to 892,490.50, 1,231,512.96 and 524,984.32 is: 724,405.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,490.50 : 1,231,512.96 = 524,984.32 : x
  2. Step 2: Convert to fraction form
    892,490.50/1,231,512.96 = 524,984.32/x
  3. Step 3: Cross multiply
    892,490.50x = 1,231,512.96 × 524,984.32
  4. Step 4: Simplify right side
    892,490.50x = 646,524,993,876.79
  5. Step 5: Solve for x
    x = 646,524,993,876.79/892,490.50
  6. Step 6: Final answer
    x = 724,405.46

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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.