Home / 856,409.72-1,181,759.29-474,365.12

Finding the Fourth Proportional to 856,409.72, 1,181,759.29 and 474,365.12

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Solution

The fourth proportional to 856,409.72, 1,181,759.29 and 474,365.12 is: 654,576.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,409.72 : 1,181,759.29 = 474,365.12 : x
  2. Step 2: Convert to fraction form
    856,409.72/1,181,759.29 = 474,365.12/x
  3. Step 3: Cross multiply
    856,409.72x = 1,181,759.29 × 474,365.12
  4. Step 4: Simplify right side
    856,409.72x = 560,585,380,317.26
  5. Step 5: Solve for x
    x = 560,585,380,317.26/856,409.72
  6. Step 6: Final answer
    x = 654,576.16

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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.