Home / 845,186.11-1,268,189.22-371,809.96

Finding the Fourth Proportional to 845,186.11, 1,268,189.22 and 371,809.96

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Solution

The fourth proportional to 845,186.11, 1,268,189.22 and 371,809.96 is: 557,895.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,186.11 : 1,268,189.22 = 371,809.96 : x
  2. Step 2: Convert to fraction form
    845,186.11/1,268,189.22 = 371,809.96/x
  3. Step 3: Cross multiply
    845,186.11x = 1,268,189.22 × 371,809.96
  4. Step 4: Simplify right side
    845,186.11x = 471,525,383,160.63
  5. Step 5: Solve for x
    x = 471,525,383,160.63/845,186.11
  6. Step 6: Final answer
    x = 557,895.33

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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.