Home / 476,169.12-657,121.41-261,329.16

Finding the Fourth Proportional to 476,169.12, 657,121.41 and 261,329.16

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Solution

The fourth proportional to 476,169.12, 657,121.41 and 261,329.16 is: 360,638.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,169.12 : 657,121.41 = 261,329.16 : x
  2. Step 2: Convert to fraction form
    476,169.12/657,121.41 = 261,329.16/x
  3. Step 3: Cross multiply
    476,169.12x = 657,121.41 × 261,329.16
  4. Step 4: Simplify right side
    476,169.12x = 171,724,986,093.32
  5. Step 5: Solve for x
    x = 171,724,986,093.32/476,169.12
  6. Step 6: Final answer
    x = 360,638.64

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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.