Home / 490,297.22-676,627.50-272,510.23

Finding the Fourth Proportional to 490,297.22, 676,627.50 and 272,510.23

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Solution

The fourth proportional to 490,297.22, 676,627.50 and 272,510.23 is: 376,073.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,297.22 : 676,627.50 = 272,510.23 : x
  2. Step 2: Convert to fraction form
    490,297.22/676,627.50 = 272,510.23/x
  3. Step 3: Cross multiply
    490,297.22x = 676,627.50 × 272,510.23
  4. Step 4: Simplify right side
    490,297.22x = 184,387,915,649.33
  5. Step 5: Solve for x
    x = 184,387,915,649.33/490,297.22
  6. Step 6: Final answer
    x = 376,073.76

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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.