Home / 497,520.42-746,438.40-177,665.28

Finding the Fourth Proportional to 497,520.42, 746,438.40 and 177,665.28

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Solution

The fourth proportional to 497,520.42, 746,438.40 and 177,665.28 is: 266,554.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,520.42 : 746,438.40 = 177,665.28 : x
  2. Step 2: Convert to fraction form
    497,520.42/746,438.40 = 177,665.28/x
  3. Step 3: Cross multiply
    497,520.42x = 746,438.40 × 177,665.28
  4. Step 4: Simplify right side
    497,520.42x = 132,616,187,338.75
  5. Step 5: Solve for x
    x = 132,616,187,338.75/497,520.42
  6. Step 6: Final answer
    x = 266,554.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.