Home / 534,329.12-737,442.42-307,976.24

Finding the Fourth Proportional to 534,329.12, 737,442.42 and 307,976.24

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Solution

The fourth proportional to 534,329.12, 737,442.42 and 307,976.24 is: 425,046.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,329.12 : 737,442.42 = 307,976.24 : x
  2. Step 2: Convert to fraction form
    534,329.12/737,442.42 = 307,976.24/x
  3. Step 3: Cross multiply
    534,329.12x = 737,442.42 × 307,976.24
  4. Step 4: Simplify right side
    534,329.12x = 227,114,743,728.10
  5. Step 5: Solve for x
    x = 227,114,743,728.10/534,329.12
  6. Step 6: Final answer
    x = 425,046.54

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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.