Home / 476,422.90-657,469.08-261,558.34

Finding the Fourth Proportional to 476,422.90, 657,469.08 and 261,558.34

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Solution

The fourth proportional to 476,422.90, 657,469.08 and 261,558.34 is: 360,953.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,422.90 : 657,469.08 = 261,558.34 : x
  2. Step 2: Convert to fraction form
    476,422.90/657,469.08 = 261,558.34/x
  3. Step 3: Cross multiply
    476,422.90x = 657,469.08 × 261,558.34
  4. Step 4: Simplify right side
    476,422.90x = 171,966,519,522.46
  5. Step 5: Solve for x
    x = 171,966,519,522.46/476,422.90
  6. Step 6: Final answer
    x = 360,953.52

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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.