Home / 457,139.08-682,928.56-295,901.38

Finding the Fourth Proportional to 457,139.08, 682,928.56 and 295,901.38

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Solution

The fourth proportional to 457,139.08, 682,928.56 and 295,901.38 is: 442,052.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,139.08 : 682,928.56 = 295,901.38 : x
  2. Step 2: Convert to fraction form
    457,139.08/682,928.56 = 295,901.38/x
  3. Step 3: Cross multiply
    457,139.08x = 682,928.56 × 295,901.38
  4. Step 4: Simplify right side
    457,139.08x = 202,079,503,345.41
  5. Step 5: Solve for x
    x = 202,079,503,345.41/457,139.08
  6. Step 6: Final answer
    x = 442,052.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.