Home / 476,586.56-657,690.24-261,740.48

Finding the Fourth Proportional to 476,586.56, 657,690.24 and 261,740.48

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Solution

The fourth proportional to 476,586.56, 657,690.24 and 261,740.48 is: 361,202.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,586.56 : 657,690.24 = 261,740.48 : x
  2. Step 2: Convert to fraction form
    476,586.56/657,690.24 = 261,740.48/x
  3. Step 3: Cross multiply
    476,586.56x = 657,690.24 × 261,740.48
  4. Step 4: Simplify right side
    476,586.56x = 172,144,159,108.92
  5. Step 5: Solve for x
    x = 172,144,159,108.92/476,586.56
  6. Step 6: Final answer
    x = 361,202.29

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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.