Home / 825,083.37-1,138,617.65-457,586.71

Finding the Fourth Proportional to 825,083.37, 1,138,617.65 and 457,586.71

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Solution

The fourth proportional to 825,083.37, 1,138,617.65 and 457,586.71 is: 631,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,083.37 : 1,138,617.65 = 457,586.71 : x
  2. Step 2: Convert to fraction form
    825,083.37/1,138,617.65 = 457,586.71/x
  3. Step 3: Cross multiply
    825,083.37x = 1,138,617.65 × 457,586.71
  4. Step 4: Simplify right side
    825,083.37x = 521,016,302,708.85
  5. Step 5: Solve for x
    x = 521,016,302,708.85/825,083.37
  6. Step 6: Final answer
    x = 631,471.10

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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.