Home / 400,898.03-553,109.15-273,352.19

Finding the Fourth Proportional to 400,898.03, 553,109.15 and 273,352.19

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Solution

The fourth proportional to 400,898.03, 553,109.15 and 273,352.19 is: 377,137.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,898.03 : 553,109.15 = 273,352.19 : x
  2. Step 2: Convert to fraction form
    400,898.03/553,109.15 = 273,352.19/x
  3. Step 3: Cross multiply
    400,898.03x = 553,109.15 × 273,352.19
  4. Step 4: Simplify right side
    400,898.03x = 151,193,595,379.37
  5. Step 5: Solve for x
    x = 151,193,595,379.37/400,898.03
  6. Step 6: Final answer
    x = 377,137.29

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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.