Home / 647,536.20-893,558.16-361,039.20

Finding the Fourth Proportional to 647,536.20, 893,558.16 and 361,039.20

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Solution

The fourth proportional to 647,536.20, 893,558.16 and 361,039.20 is: 498,210.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,536.20 : 893,558.16 = 361,039.20 : x
  2. Step 2: Convert to fraction form
    647,536.20/893,558.16 = 361,039.20/x
  3. Step 3: Cross multiply
    647,536.20x = 893,558.16 × 361,039.20
  4. Step 4: Simplify right side
    647,536.20x = 322,609,523,239.87
  5. Step 5: Solve for x
    x = 322,609,523,239.87/647,536.20
  6. Step 6: Final answer
    x = 498,210.79

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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.