Home / 664,279.30-996,516.15-214,923.70

Finding the Fourth Proportional to 664,279.30, 996,516.15 and 214,923.70

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Solution

The fourth proportional to 664,279.30, 996,516.15 and 214,923.70 is: 322,417.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,279.30 : 996,516.15 = 214,923.70 : x
  2. Step 2: Convert to fraction form
    664,279.30/996,516.15 = 214,923.70/x
  3. Step 3: Cross multiply
    664,279.30x = 996,516.15 × 214,923.70
  4. Step 4: Simplify right side
    664,279.30x = 214,174,938,067.76
  5. Step 5: Solve for x
    x = 214,174,938,067.76/664,279.30
  6. Step 6: Final answer
    x = 322,417.00

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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.