Home / 548,914.38-757,535.21-307,191.93

Finding the Fourth Proportional to 548,914.38, 757,535.21 and 307,191.93

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Solution

The fourth proportional to 548,914.38, 757,535.21 and 307,191.93 is: 423,943.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,914.38 : 757,535.21 = 307,191.93 : x
  2. Step 2: Convert to fraction form
    548,914.38/757,535.21 = 307,191.93/x
  3. Step 3: Cross multiply
    548,914.38x = 757,535.21 × 307,191.93
  4. Step 4: Simplify right side
    548,914.38x = 232,708,703,202.86
  5. Step 5: Solve for x
    x = 232,708,703,202.86/548,914.38
  6. Step 6: Final answer
    x = 423,943.54

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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.