Home / 735,468.78-1,014,940.89-413,172.09

Finding the Fourth Proportional to 735,468.78, 1,014,940.89 and 413,172.09

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Solution

The fourth proportional to 735,468.78, 1,014,940.89 and 413,172.09 is: 570,174.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,468.78 : 1,014,940.89 = 413,172.09 : x
  2. Step 2: Convert to fraction form
    735,468.78/1,014,940.89 = 413,172.09/x
  3. Step 3: Cross multiply
    735,468.78x = 1,014,940.89 × 413,172.09
  4. Step 4: Simplify right side
    735,468.78x = 419,345,248,747.76
  5. Step 5: Solve for x
    x = 419,345,248,747.76/735,468.78
  6. Step 6: Final answer
    x = 570,174.10

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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.