Home / 654,123.60-981,157.41-204,834.51

Finding the Fourth Proportional to 654,123.60, 981,157.41 and 204,834.51

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Solution

The fourth proportional to 654,123.60, 981,157.41 and 204,834.51 is: 307,243.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,123.60 : 981,157.41 = 204,834.51 : x
  2. Step 2: Convert to fraction form
    654,123.60/981,157.41 = 204,834.51/x
  3. Step 3: Cross multiply
    654,123.60x = 981,157.41 × 204,834.51
  4. Step 4: Simplify right side
    654,123.60x = 200,974,897,310.22
  5. Step 5: Solve for x
    x = 200,974,897,310.22/654,123.60
  6. Step 6: Final answer
    x = 307,243.00

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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.