Home / 856,350.49-1,181,835.66-474,412.81

Finding the Fourth Proportional to 856,350.49, 1,181,835.66 and 474,412.81

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Solution

The fourth proportional to 856,350.49, 1,181,835.66 and 474,412.81 is: 654,729.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,350.49 : 1,181,835.66 = 474,412.81 : x
  2. Step 2: Convert to fraction form
    856,350.49/1,181,835.66 = 474,412.81/x
  3. Step 3: Cross multiply
    856,350.49x = 1,181,835.66 × 474,412.81
  4. Step 4: Simplify right side
    856,350.49x = 560,677,976,418.81
  5. Step 5: Solve for x
    x = 560,677,976,418.81/856,350.49
  6. Step 6: Final answer
    x = 654,729.56

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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.