Home / 1,305,192.93-1,957,842.47-621,728.43

Finding the Fourth Proportional to 1,305,192.93, 1,957,842.47 and 621,728.43

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Solution

The fourth proportional to 1,305,192.93, 1,957,842.47 and 621,728.43 is: 932,617.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,192.93 : 1,957,842.47 = 621,728.43 : x
  2. Step 2: Convert to fraction form
    1,305,192.93/1,957,842.47 = 621,728.43/x
  3. Step 3: Cross multiply
    1,305,192.93x = 1,957,842.47 × 621,728.43
  4. Step 4: Simplify right side
    1,305,192.93x = 1,217,246,325,060.42
  5. Step 5: Solve for x
    x = 1,217,246,325,060.42/1,305,192.93
  6. Step 6: Final answer
    x = 932,617.93

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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.