Home / 1,688,297.72-2,532,452.56-408,906.06

Finding the Fourth Proportional to 1,688,297.72, 2,532,452.56 and 408,906.06

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Solution

The fourth proportional to 1,688,297.72, 2,532,452.56 and 408,906.06 is: 613,360.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,297.72 : 2,532,452.56 = 408,906.06 : x
  2. Step 2: Convert to fraction form
    1,688,297.72/2,532,452.56 = 408,906.06/x
  3. Step 3: Cross multiply
    1,688,297.72x = 2,532,452.56 × 408,906.06
  4. Step 4: Simplify right side
    1,688,297.72x = 1,035,535,198,446.51
  5. Step 5: Solve for x
    x = 1,035,535,198,446.51/1,688,297.72
  6. Step 6: Final answer
    x = 613,360.54

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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.