Home / 557,938.43-769,951.37-303,289.62

Finding the Fourth Proportional to 557,938.43, 769,951.37 and 303,289.62

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Solution

The fourth proportional to 557,938.43, 769,951.37 and 303,289.62 is: 418,537.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,938.43 : 769,951.37 = 303,289.62 : x
  2. Step 2: Convert to fraction form
    557,938.43/769,951.37 = 303,289.62/x
  3. Step 3: Cross multiply
    557,938.43x = 769,951.37 × 303,289.62
  4. Step 4: Simplify right side
    557,938.43x = 233,518,256,296.69
  5. Step 5: Solve for x
    x = 233,518,256,296.69/557,938.43
  6. Step 6: Final answer
    x = 418,537.68

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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.