Home / 892,485.41-1,231,505.91-524,979.23

Finding the Fourth Proportional to 892,485.41, 1,231,505.91 and 524,979.23

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Solution

The fourth proportional to 892,485.41, 1,231,505.91 and 524,979.23 is: 724,398.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,485.41 : 1,231,505.91 = 524,979.23 : x
  2. Step 2: Convert to fraction form
    892,485.41/1,231,505.91 = 524,979.23/x
  3. Step 3: Cross multiply
    892,485.41x = 1,231,505.91 × 524,979.23
  4. Step 4: Simplify right side
    892,485.41x = 646,515,018,214.72
  5. Step 5: Solve for x
    x = 646,515,018,214.72/892,485.41
  6. Step 6: Final answer
    x = 724,398.42

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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.