Home / 457,022.17-630,350.67-295,752.79

Finding the Fourth Proportional to 457,022.17, 630,350.67 and 295,752.79

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Solution

The fourth proportional to 457,022.17, 630,350.67 and 295,752.79 is: 407,918.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,022.17 : 630,350.67 = 295,752.79 : x
  2. Step 2: Convert to fraction form
    457,022.17/630,350.67 = 295,752.79/x
  3. Step 3: Cross multiply
    457,022.17x = 630,350.67 × 295,752.79
  4. Step 4: Simplify right side
    457,022.17x = 186,427,969,330.87
  5. Step 5: Solve for x
    x = 186,427,969,330.87/457,022.17
  6. Step 6: Final answer
    x = 407,918.87

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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.