Home / 457,026.24-684,646.56-314,846.40

Finding the Fourth Proportional to 457,026.24, 684,646.56 and 314,846.40

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Solution

The fourth proportional to 457,026.24, 684,646.56 and 314,846.40 is: 471,654.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,026.24 : 684,646.56 = 314,846.40 : x
  2. Step 2: Convert to fraction form
    457,026.24/684,646.56 = 314,846.40/x
  3. Step 3: Cross multiply
    457,026.24x = 684,646.56 × 314,846.40
  4. Step 4: Simplify right side
    457,026.24x = 215,558,504,688.38
  5. Step 5: Solve for x
    x = 215,558,504,688.38/457,026.24
  6. Step 6: Final answer
    x = 471,654.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.