Home / 457,749.20-631,567.18-264,143.43

Finding the Fourth Proportional to 457,749.20, 631,567.18 and 264,143.43

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Solution

The fourth proportional to 457,749.20, 631,567.18 and 264,143.43 is: 364,444.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,749.20 : 631,567.18 = 264,143.43 : x
  2. Step 2: Convert to fraction form
    457,749.20/631,567.18 = 264,143.43/x
  3. Step 3: Cross multiply
    457,749.20x = 631,567.18 × 264,143.43
  4. Step 4: Simplify right side
    457,749.20x = 166,824,320,045.00
  5. Step 5: Solve for x
    x = 166,824,320,045.00/457,749.20
  6. Step 6: Final answer
    x = 364,444.81

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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.