Home / 476,536.20-657,631.08-261,663.72

Finding the Fourth Proportional to 476,536.20, 657,631.08 and 261,663.72

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Solution

The fourth proportional to 476,536.20, 657,631.08 and 261,663.72 is: 361,102.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,536.20 : 657,631.08 = 261,663.72 : x
  2. Step 2: Convert to fraction form
    476,536.20/657,631.08 = 261,663.72/x
  3. Step 3: Cross multiply
    476,536.20x = 657,631.08 × 261,663.72
  4. Step 4: Simplify right side
    476,536.20x = 172,078,194,780.42
  5. Step 5: Solve for x
    x = 172,078,194,780.42/476,536.20
  6. Step 6: Final answer
    x = 361,102.04

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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.