Home / 465,934.46-698,902.64-128,976.08

Finding the Fourth Proportional to 465,934.46, 698,902.64 and 128,976.08

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Solution

The fourth proportional to 465,934.46, 698,902.64 and 128,976.08 is: 193,464.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,934.46 : 698,902.64 = 128,976.08 : x
  2. Step 2: Convert to fraction form
    465,934.46/698,902.64 = 128,976.08/x
  3. Step 3: Cross multiply
    465,934.46x = 698,902.64 × 128,976.08
  4. Step 4: Simplify right side
    465,934.46x = 90,141,722,808.85
  5. Step 5: Solve for x
    x = 90,141,722,808.85/465,934.46
  6. Step 6: Final answer
    x = 193,464.38

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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.