Home / 641,724.64-962,584.32-161,953.52

Finding the Fourth Proportional to 641,724.64, 962,584.32 and 161,953.52

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Solution

The fourth proportional to 641,724.64, 962,584.32 and 161,953.52 is: 242,929.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,724.64 : 962,584.32 = 161,953.52 : x
  2. Step 2: Convert to fraction form
    641,724.64/962,584.32 = 161,953.52/x
  3. Step 3: Cross multiply
    641,724.64x = 962,584.32 × 161,953.52
  4. Step 4: Simplify right side
    641,724.64x = 155,893,918,920.81
  5. Step 5: Solve for x
    x = 155,893,918,920.81/641,724.64
  6. Step 6: Final answer
    x = 242,929.61

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1.5x scale

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.