Home / 861,796.51-1,189,233.61-494,254.67

Finding the Fourth Proportional to 861,796.51, 1,189,233.61 and 494,254.67

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Solution

The fourth proportional to 861,796.51, 1,189,233.61 and 494,254.67 is: 682,045.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,796.51 : 1,189,233.61 = 494,254.67 : x
  2. Step 2: Convert to fraction form
    861,796.51/1,189,233.61 = 494,254.67/x
  3. Step 3: Cross multiply
    861,796.51x = 1,189,233.61 × 494,254.67
  4. Step 4: Simplify right side
    861,796.51x = 587,784,265,463.46
  5. Step 5: Solve for x
    x = 587,784,265,463.46/861,796.51
  6. Step 6: Final answer
    x = 682,045.31

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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.