Home / 748,135.82-1,122,361.53-242,657.54

Finding the Fourth Proportional to 748,135.82, 1,122,361.53 and 242,657.54

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Solution

The fourth proportional to 748,135.82, 1,122,361.53 and 242,657.54 is: 364,037.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,135.82 : 1,122,361.53 = 242,657.54 : x
  2. Step 2: Convert to fraction form
    748,135.82/1,122,361.53 = 242,657.54/x
  3. Step 3: Cross multiply
    748,135.82x = 1,122,361.53 × 242,657.54
  4. Step 4: Simplify right side
    748,135.82x = 272,349,486,912.47
  5. Step 5: Solve for x
    x = 272,349,486,912.47/748,135.82
  6. Step 6: Final answer
    x = 364,037.49

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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.