Home / 519,826.40-779,998.80-295,359.20

Finding the Fourth Proportional to 519,826.40, 779,998.80 and 295,359.20

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Solution

The fourth proportional to 519,826.40, 779,998.80 and 295,359.20 is: 443,186.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,826.40 : 779,998.80 = 295,359.20 : x
  2. Step 2: Convert to fraction form
    519,826.40/779,998.80 = 295,359.20/x
  3. Step 3: Cross multiply
    519,826.40x = 779,998.80 × 295,359.20
  4. Step 4: Simplify right side
    519,826.40x = 230,379,821,568.96
  5. Step 5: Solve for x
    x = 230,379,821,568.96/519,826.40
  6. Step 6: Final answer
    x = 443,186.07

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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.