Home / 548,941.58-757,539.26-307,224.14

Finding the Fourth Proportional to 548,941.58, 757,539.26 and 307,224.14

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Solution

The fourth proportional to 548,941.58, 757,539.26 and 307,224.14 is: 423,969.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,941.58 : 757,539.26 = 307,224.14 : x
  2. Step 2: Convert to fraction form
    548,941.58/757,539.26 = 307,224.14/x
  3. Step 3: Cross multiply
    548,941.58x = 757,539.26 × 307,224.14
  4. Step 4: Simplify right side
    548,941.58x = 232,734,342,345.92
  5. Step 5: Solve for x
    x = 232,734,342,345.92/548,941.58
  6. Step 6: Final answer
    x = 423,969.24

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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.