Home / 725,172.92-1,000,416.66-483,219.44

Finding the Fourth Proportional to 725,172.92, 1,000,416.66 and 483,219.44

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Solution

The fourth proportional to 725,172.92, 1,000,416.66 and 483,219.44 is: 666,628.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,172.92 : 1,000,416.66 = 483,219.44 : x
  2. Step 2: Convert to fraction form
    725,172.92/1,000,416.66 = 483,219.44/x
  3. Step 3: Cross multiply
    725,172.92x = 1,000,416.66 × 483,219.44
  4. Step 4: Simplify right side
    725,172.92x = 483,420,778,211.87
  5. Step 5: Solve for x
    x = 483,420,778,211.87/725,172.92
  6. Step 6: Final answer
    x = 666,628.28

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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.