Home / 403,913.52-606,657.60-329,088.96

Finding the Fourth Proportional to 403,913.52, 606,657.60 and 329,088.96

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Solution

The fourth proportional to 403,913.52, 606,657.60 and 329,088.96 is: 494,274.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,913.52 : 606,657.60 = 329,088.96 : x
  2. Step 2: Convert to fraction form
    403,913.52/606,657.60 = 329,088.96/x
  3. Step 3: Cross multiply
    403,913.52x = 606,657.60 × 329,088.96
  4. Step 4: Simplify right side
    403,913.52x = 199,644,318,660.10
  5. Step 5: Solve for x
    x = 199,644,318,660.10/403,913.52
  6. Step 6: Final answer
    x = 494,274.91

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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.