Home / 955,238.86-1,318,218.73-711,314.74

Finding the Fourth Proportional to 955,238.86, 1,318,218.73 and 711,314.74

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Solution

The fourth proportional to 955,238.86, 1,318,218.73 and 711,314.74 is: 981,606.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,238.86 : 1,318,218.73 = 711,314.74 : x
  2. Step 2: Convert to fraction form
    955,238.86/1,318,218.73 = 711,314.74/x
  3. Step 3: Cross multiply
    955,238.86x = 1,318,218.73 × 711,314.74
  4. Step 4: Simplify right side
    955,238.86x = 937,668,413,193.08
  5. Step 5: Solve for x
    x = 937,668,413,193.08/955,238.86
  6. Step 6: Final answer
    x = 981,606.23

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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.