Home / 889,541.13-1,227,561.59-481,634.55

Finding the Fourth Proportional to 889,541.13, 1,227,561.59 and 481,634.55

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Solution

The fourth proportional to 889,541.13, 1,227,561.59 and 481,634.55 is: 664,652.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,541.13 : 1,227,561.59 = 481,634.55 : x
  2. Step 2: Convert to fraction form
    889,541.13/1,227,561.59 = 481,634.55/x
  3. Step 3: Cross multiply
    889,541.13x = 1,227,561.59 × 481,634.55
  4. Step 4: Simplify right side
    889,541.13x = 591,236,075,201.02
  5. Step 5: Solve for x
    x = 591,236,075,201.02/889,541.13
  6. Step 6: Final answer
    x = 664,652.88

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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.