Home / 457,315.92-631,167.93-261,082.89

Finding the Fourth Proportional to 457,315.92, 631,167.93 and 261,082.89

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Solution

The fourth proportional to 457,315.92, 631,167.93 and 261,082.89 is: 360,335.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,315.92 : 631,167.93 = 261,082.89 : x
  2. Step 2: Convert to fraction form
    457,315.92/631,167.93 = 261,082.89/x
  3. Step 3: Cross multiply
    457,315.92x = 631,167.93 × 261,082.89
  4. Step 4: Simplify right side
    457,315.92x = 164,787,147,239.72
  5. Step 5: Solve for x
    x = 164,787,147,239.72/457,315.92
  6. Step 6: Final answer
    x = 360,335.47

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1.5x scale

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.