Home / 658,784.37-988,192.97-185,466.54

Finding the Fourth Proportional to 658,784.37, 988,192.97 and 185,466.54

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Solution

The fourth proportional to 658,784.37, 988,192.97 and 185,466.54 is: 278,204.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,784.37 : 988,192.97 = 185,466.54 : x
  2. Step 2: Convert to fraction form
    658,784.37/988,192.97 = 185,466.54/x
  3. Step 3: Cross multiply
    658,784.37x = 988,192.97 × 185,466.54
  4. Step 4: Simplify right side
    658,784.37x = 183,276,730,070.89
  5. Step 5: Solve for x
    x = 183,276,730,070.89/658,784.37
  6. Step 6: Final answer
    x = 278,204.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.