Home / 927,222.41-1,391,033.42-287,513.28

Finding the Fourth Proportional to 927,222.41, 1,391,033.42 and 287,513.28

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Solution

The fourth proportional to 927,222.41, 1,391,033.42 and 287,513.28 is: 431,331.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,222.41 : 1,391,033.42 = 287,513.28 : x
  2. Step 2: Convert to fraction form
    927,222.41/1,391,033.42 = 287,513.28/x
  3. Step 3: Cross multiply
    927,222.41x = 1,391,033.42 × 287,513.28
  4. Step 4: Simplify right side
    927,222.41x = 399,940,579,736.25
  5. Step 5: Solve for x
    x = 399,940,579,736.25/927,222.41
  6. Step 6: Final answer
    x = 431,331.88

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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.