Home / 476,850.38-658,116.52-307,576.58

Finding the Fourth Proportional to 476,850.38, 658,116.52 and 307,576.58

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Solution

The fourth proportional to 476,850.38, 658,116.52 and 307,576.58 is: 424,496.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,850.38 : 658,116.52 = 307,576.58 : x
  2. Step 2: Convert to fraction form
    476,850.38/658,116.52 = 307,576.58/x
  3. Step 3: Cross multiply
    476,850.38x = 658,116.52 × 307,576.58
  4. Step 4: Simplify right side
    476,850.38x = 202,421,228,463.10
  5. Step 5: Solve for x
    x = 202,421,228,463.10/476,850.38
  6. Step 6: Final answer
    x = 424,496.31

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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.