Home / 476,138.48-657,069.25-261,282.14

Finding the Fourth Proportional to 476,138.48, 657,069.25 and 261,282.14

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Solution

The fourth proportional to 476,138.48, 657,069.25 and 261,282.14 is: 360,568.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,138.48 : 657,069.25 = 261,282.14 : x
  2. Step 2: Convert to fraction form
    476,138.48/657,069.25 = 261,282.14/x
  3. Step 3: Cross multiply
    476,138.48x = 657,069.25 × 261,282.14
  4. Step 4: Simplify right side
    476,138.48x = 171,680,455,176.44
  5. Step 5: Solve for x
    x = 171,680,455,176.44/476,138.48
  6. Step 6: Final answer
    x = 360,568.33

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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.