Home / 694,583.37-958,220.87-407,974.23

Finding the Fourth Proportional to 694,583.37, 958,220.87 and 407,974.23

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Solution

The fourth proportional to 694,583.37, 958,220.87 and 407,974.23 is: 562,825.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,583.37 : 958,220.87 = 407,974.23 : x
  2. Step 2: Convert to fraction form
    694,583.37/958,220.87 = 407,974.23/x
  3. Step 3: Cross multiply
    694,583.37x = 958,220.87 × 407,974.23
  4. Step 4: Simplify right side
    694,583.37x = 390,929,419,568.31
  5. Step 5: Solve for x
    x = 390,929,419,568.31/694,583.37
  6. Step 6: Final answer
    x = 562,825.77

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1.5x scale

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.