Home / 986,341.11-1,362,090.80-932,605.70

Finding the Fourth Proportional to 986,341.11, 1,362,090.80 and 932,605.70

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Solution

The fourth proportional to 986,341.11, 1,362,090.80 and 932,605.70 is: 1,287,884.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,341.11 : 1,362,090.80 = 932,605.70 : x
  2. Step 2: Convert to fraction form
    986,341.11/1,362,090.80 = 932,605.70/x
  3. Step 3: Cross multiply
    986,341.11x = 1,362,090.80 × 932,605.70
  4. Step 4: Simplify right side
    986,341.11x = 1,270,293,632,524.08
  5. Step 5: Solve for x
    x = 1,270,293,632,524.08/986,341.11
  6. Step 6: Final answer
    x = 1,287,884.71

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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.