Home / 353,180.57-487,385.48-262,940.09

Finding the Fourth Proportional to 353,180.57, 487,385.48 and 262,940.09

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Solution

The fourth proportional to 353,180.57, 487,385.48 and 262,940.09 is: 362,854.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,180.57 : 487,385.48 = 262,940.09 : x
  2. Step 2: Convert to fraction form
    353,180.57/487,385.48 = 262,940.09/x
  3. Step 3: Cross multiply
    353,180.57x = 487,385.48 × 262,940.09
  4. Step 4: Simplify right side
    353,180.57x = 128,153,180,196.32
  5. Step 5: Solve for x
    x = 128,153,180,196.32/353,180.57
  6. Step 6: Final answer
    x = 362,854.56

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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.