Home / 414,822.88-572,285.28-307,656.64

Finding the Fourth Proportional to 414,822.88, 572,285.28 and 307,656.64

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Solution

The fourth proportional to 414,822.88, 572,285.28 and 307,656.64 is: 424,439.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,822.88 : 572,285.28 = 307,656.64 : x
  2. Step 2: Convert to fraction form
    414,822.88/572,285.28 = 307,656.64/x
  3. Step 3: Cross multiply
    414,822.88x = 572,285.28 × 307,656.64
  4. Step 4: Simplify right side
    414,822.88x = 176,067,366,366.26
  5. Step 5: Solve for x
    x = 176,067,366,366.26/414,822.88
  6. Step 6: Final answer
    x = 424,439.86

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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.