Home / 500,941.93-690,896.78-440,383.09

Finding the Fourth Proportional to 500,941.93, 690,896.78 and 440,383.09

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Solution

The fourth proportional to 500,941.93, 690,896.78 and 440,383.09 is: 607,374.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,941.93 : 690,896.78 = 440,383.09 : x
  2. Step 2: Convert to fraction form
    500,941.93/690,896.78 = 440,383.09/x
  3. Step 3: Cross multiply
    500,941.93x = 690,896.78 × 440,383.09
  4. Step 4: Simplify right side
    500,941.93x = 304,259,256,645.54
  5. Step 5: Solve for x
    x = 304,259,256,645.54/500,941.93
  6. Step 6: Final answer
    x = 607,374.31

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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.