Home / 476,131.52-657,061.11-261,285.09

Finding the Fourth Proportional to 476,131.52, 657,061.11 and 261,285.09

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Solution

The fourth proportional to 476,131.52, 657,061.11 and 261,285.09 is: 360,573.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,131.52 : 657,061.11 = 261,285.09 : x
  2. Step 2: Convert to fraction form
    476,131.52/657,061.11 = 261,285.09/x
  3. Step 3: Cross multiply
    476,131.52x = 657,061.11 × 261,285.09
  4. Step 4: Simplify right side
    476,131.52x = 171,680,271,261.85
  5. Step 5: Solve for x
    x = 171,680,271,261.85/476,131.52
  6. Step 6: Final answer
    x = 360,573.22

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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.