Home / 859,111.33-1,185,504.24-496,558.66

Finding the Fourth Proportional to 859,111.33, 1,185,504.24 and 496,558.66

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Solution

The fourth proportional to 859,111.33, 1,185,504.24 and 496,558.66 is: 685,210.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,111.33 : 1,185,504.24 = 496,558.66 : x
  2. Step 2: Convert to fraction form
    859,111.33/1,185,504.24 = 496,558.66/x
  3. Step 3: Cross multiply
    859,111.33x = 1,185,504.24 × 496,558.66
  4. Step 4: Simplify right side
    859,111.33x = 588,672,396,838.72
  5. Step 5: Solve for x
    x = 588,672,396,838.72/859,111.33
  6. Step 6: Final answer
    x = 685,210.84

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Double scale
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1.5x scale

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.