Home / 457,021.88-630,350.38-295,752.52

Finding the Fourth Proportional to 457,021.88, 630,350.38 and 295,752.52

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Solution

The fourth proportional to 457,021.88, 630,350.38 and 295,752.52 is: 407,918.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,021.88 : 630,350.38 = 295,752.52 : x
  2. Step 2: Convert to fraction form
    457,021.88/630,350.38 = 295,752.52/x
  3. Step 3: Cross multiply
    457,021.88x = 630,350.38 × 295,752.52
  4. Step 4: Simplify right side
    457,021.88x = 186,427,713,367.96
  5. Step 5: Solve for x
    x = 186,427,713,367.96/457,021.88
  6. Step 6: Final answer
    x = 407,918.57

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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.