Home / 645,997.68-969,061.05-246,974.13

Finding the Fourth Proportional to 645,997.68, 969,061.05 and 246,974.13

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Solution

The fourth proportional to 645,997.68, 969,061.05 and 246,974.13 is: 370,485.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,997.68 : 969,061.05 = 246,974.13 : x
  2. Step 2: Convert to fraction form
    645,997.68/969,061.05 = 246,974.13/x
  3. Step 3: Cross multiply
    645,997.68x = 969,061.05 × 246,974.13
  4. Step 4: Simplify right side
    645,997.68x = 239,333,009,740.64
  5. Step 5: Solve for x
    x = 239,333,009,740.64/645,997.68
  6. Step 6: Final answer
    x = 370,485.87

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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.