Home / 861,804.06-1,189,244.01-494,262.24

Finding the Fourth Proportional to 861,804.06, 1,189,244.01 and 494,262.24

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Solution

The fourth proportional to 861,804.06, 1,189,244.01 and 494,262.24 is: 682,055.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,804.06 : 1,189,244.01 = 494,262.24 : x
  2. Step 2: Convert to fraction form
    861,804.06/1,189,244.01 = 494,262.24/x
  3. Step 3: Cross multiply
    861,804.06x = 1,189,244.01 × 494,262.24
  4. Step 4: Simplify right side
    861,804.06x = 587,798,408,289.18
  5. Step 5: Solve for x
    x = 587,798,408,289.18/861,804.06
  6. Step 6: Final answer
    x = 682,055.74

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Double scale
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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.