Home / 856,261.16-1,181,720.37-474,288.23

Finding the Fourth Proportional to 856,261.16, 1,181,720.37 and 474,288.23

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Solution

The fourth proportional to 856,261.16, 1,181,720.37 and 474,288.23 is: 654,562.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,261.16 : 1,181,720.37 = 474,288.23 : x
  2. Step 2: Convert to fraction form
    856,261.16/1,181,720.37 = 474,288.23/x
  3. Step 3: Cross multiply
    856,261.16x = 1,181,720.37 × 474,288.23
  4. Step 4: Simplify right side
    856,261.16x = 560,476,062,642.25
  5. Step 5: Solve for x
    x = 560,476,062,642.25/856,261.16
  6. Step 6: Final answer
    x = 654,562.05

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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.