Home / 664,289.46-996,592.36-215,010.40

Finding the Fourth Proportional to 664,289.46, 996,592.36 and 215,010.40

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Solution

The fourth proportional to 664,289.46, 996,592.36 and 215,010.40 is: 322,566.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,289.46 : 996,592.36 = 215,010.40 : x
  2. Step 2: Convert to fraction form
    664,289.46/996,592.36 = 215,010.40/x
  3. Step 3: Cross multiply
    664,289.46x = 996,592.36 × 215,010.40
  4. Step 4: Simplify right side
    664,289.46x = 214,277,720,885.49
  5. Step 5: Solve for x
    x = 214,277,720,885.49/664,289.46
  6. Step 6: Final answer
    x = 322,566.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.