Home / 728,678.18-1,092,935.19-196,238.18

Finding the Fourth Proportional to 728,678.18, 1,092,935.19 and 196,238.18

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Solution

The fourth proportional to 728,678.18, 1,092,935.19 and 196,238.18 is: 294,335.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,678.18 : 1,092,935.19 = 196,238.18 : x
  2. Step 2: Convert to fraction form
    728,678.18/1,092,935.19 = 196,238.18/x
  3. Step 3: Cross multiply
    728,678.18x = 1,092,935.19 × 196,238.18
  4. Step 4: Simplify right side
    728,678.18x = 214,475,612,543.55
  5. Step 5: Solve for x
    x = 214,475,612,543.55/728,678.18
  6. Step 6: Final answer
    x = 294,335.17

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1.5x scale

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.