Home / 1,137,301.19-1,705,381.33-378,876

Finding the Fourth Proportional to 1,137,301.19, 1,705,381.33 and 378,876

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Solution

The fourth proportional to 1,137,301.19, 1,705,381.33 and 378,876 is: 568,123.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,301.19 : 1,705,381.33 = 378,876 : x
  2. Step 2: Convert to fraction form
    1,137,301.19/1,705,381.33 = 378,876/x
  3. Step 3: Cross multiply
    1,137,301.19x = 1,705,381.33 × 378,876
  4. Step 4: Simplify right side
    1,137,301.19x = 646,128,056,785.08
  5. Step 5: Solve for x
    x = 646,128,056,785.08/1,137,301.19
  6. Step 6: Final answer
    x = 568,123.96

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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.