Home / 457,268.16-631,036.40-263,672.49

Finding the Fourth Proportional to 457,268.16, 631,036.40 and 263,672.49

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Solution

The fourth proportional to 457,268.16, 631,036.40 and 263,672.49 is: 363,871.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,268.16 : 631,036.40 = 263,672.49 : x
  2. Step 2: Convert to fraction form
    457,268.16/631,036.40 = 263,672.49/x
  3. Step 3: Cross multiply
    457,268.16x = 631,036.40 × 263,672.49
  4. Step 4: Simplify right side
    457,268.16x = 166,386,937,550.27
  5. Step 5: Solve for x
    x = 166,386,937,550.27/457,268.16
  6. Step 6: Final answer
    x = 363,871.69

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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.