Home / 441,421.29-609,181.40-260,140.86

Finding the Fourth Proportional to 441,421.29, 609,181.40 and 260,140.86

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Solution

The fourth proportional to 441,421.29, 609,181.40 and 260,140.86 is: 359,006.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,421.29 : 609,181.40 = 260,140.86 : x
  2. Step 2: Convert to fraction form
    441,421.29/609,181.40 = 260,140.86/x
  3. Step 3: Cross multiply
    441,421.29x = 609,181.40 × 260,140.86
  4. Step 4: Simplify right side
    441,421.29x = 158,472,973,942.36
  5. Step 5: Solve for x
    x = 158,472,973,942.36/441,421.29
  6. Step 6: Final answer
    x = 359,006.19

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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.