Home / 1,185,385.01-1,635,831.43-641,524.73

Finding the Fourth Proportional to 1,185,385.01, 1,635,831.43 and 641,524.73

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Solution

The fourth proportional to 1,185,385.01, 1,635,831.43 and 641,524.73 is: 885,304.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,385.01 : 1,635,831.43 = 641,524.73 : x
  2. Step 2: Convert to fraction form
    1,185,385.01/1,635,831.43 = 641,524.73/x
  3. Step 3: Cross multiply
    1,185,385.01x = 1,635,831.43 × 641,524.73
  4. Step 4: Simplify right side
    1,185,385.01x = 1,049,426,306,673.30
  5. Step 5: Solve for x
    x = 1,049,426,306,673.30/1,185,385.01
  6. Step 6: Final answer
    x = 885,304.19

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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.