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Finding the Fourth Proportional to 927,562.22, 1,397,661.40 and 762,773.66

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Solution

The fourth proportional to 927,562.22, 1,397,661.40 and 762,773.66 is: 1,149,356.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,562.22 : 1,397,661.40 = 762,773.66 : x
  2. Step 2: Convert to fraction form
    927,562.22/1,397,661.40 = 762,773.66/x
  3. Step 3: Cross multiply
    927,562.22x = 1,397,661.40 × 762,773.66
  4. Step 4: Simplify right side
    927,562.22x = 1,066,099,301,518.72
  5. Step 5: Solve for x
    x = 1,066,099,301,518.72/927,562.22
  6. Step 6: Final answer
    x = 1,149,356.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.