Home / 476,800.53-657,984.99-261,954.43

Finding the Fourth Proportional to 476,800.53, 657,984.99 and 261,954.43

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Solution

The fourth proportional to 476,800.53, 657,984.99 and 261,954.43 is: 361,497.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,800.53 : 657,984.99 = 261,954.43 : x
  2. Step 2: Convert to fraction form
    476,800.53/657,984.99 = 261,954.43/x
  3. Step 3: Cross multiply
    476,800.53x = 657,984.99 × 261,954.43
  4. Step 4: Simplify right side
    476,800.53x = 172,362,082,341.37
  5. Step 5: Solve for x
    x = 172,362,082,341.37/476,800.53
  6. Step 6: Final answer
    x = 361,497.26

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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.