Home / 328,945.48-453,931.92-206,503.70

Finding the Fourth Proportional to 328,945.48, 453,931.92 and 206,503.70

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Solution

The fourth proportional to 328,945.48, 453,931.92 and 206,503.70 is: 284,967.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,945.48 : 453,931.92 = 206,503.70 : x
  2. Step 2: Convert to fraction form
    328,945.48/453,931.92 = 206,503.70/x
  3. Step 3: Cross multiply
    328,945.48x = 453,931.92 × 206,503.70
  4. Step 4: Simplify right side
    328,945.48x = 93,738,618,758.44
  5. Step 5: Solve for x
    x = 93,738,618,758.44/328,945.48
  6. Step 6: Final answer
    x = 284,967.04

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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.