Home / 859,305.21-1,185,844.46-472,151.94

Finding the Fourth Proportional to 859,305.21, 1,185,844.46 and 472,151.94

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Solution

The fourth proportional to 859,305.21, 1,185,844.46 and 472,151.94 is: 651,571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,305.21 : 1,185,844.46 = 472,151.94 : x
  2. Step 2: Convert to fraction form
    859,305.21/1,185,844.46 = 472,151.94/x
  3. Step 3: Cross multiply
    859,305.21x = 1,185,844.46 × 472,151.94
  4. Step 4: Simplify right side
    859,305.21x = 559,898,755,519.58
  5. Step 5: Solve for x
    x = 559,898,755,519.58/859,305.21
  6. Step 6: Final answer
    x = 651,571.47

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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.