Home / 1,201,768.52-1,658,440.44-657,902.61

Finding the Fourth Proportional to 1,201,768.52, 1,658,440.44 and 657,902.61

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Solution

The fourth proportional to 1,201,768.52, 1,658,440.44 and 657,902.61 is: 907,905.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,768.52 : 1,658,440.44 = 657,902.61 : x
  2. Step 2: Convert to fraction form
    1,201,768.52/1,658,440.44 = 657,902.61/x
  3. Step 3: Cross multiply
    1,201,768.52x = 1,658,440.44 × 657,902.61
  4. Step 4: Simplify right side
    1,201,768.52x = 1,091,092,294,005.55
  5. Step 5: Solve for x
    x = 1,091,092,294,005.55/1,201,768.52
  6. Step 6: Final answer
    x = 907,905.54

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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.