Home / 889,738.53-1,227,840.30-481,841.03

Finding the Fourth Proportional to 889,738.53, 1,227,840.30 and 481,841.03

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Solution

The fourth proportional to 889,738.53, 1,227,840.30 and 481,841.03 is: 664,941.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,738.53 : 1,227,840.30 = 481,841.03 : x
  2. Step 2: Convert to fraction form
    889,738.53/1,227,840.30 = 481,841.03/x
  3. Step 3: Cross multiply
    889,738.53x = 1,227,840.30 × 481,841.03
  4. Step 4: Simplify right side
    889,738.53x = 591,623,828,688.31
  5. Step 5: Solve for x
    x = 591,623,828,688.31/889,738.53
  6. Step 6: Final answer
    x = 664,941.23

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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.