Home / 859,110.56-1,185,503.20-496,557.90

Finding the Fourth Proportional to 859,110.56, 1,185,503.20 and 496,557.90

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Solution

The fourth proportional to 859,110.56, 1,185,503.20 and 496,557.90 is: 685,209.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,110.56 : 1,185,503.20 = 496,557.90 : x
  2. Step 2: Convert to fraction form
    859,110.56/1,185,503.20 = 496,557.90/x
  3. Step 3: Cross multiply
    859,110.56x = 1,185,503.20 × 496,557.90
  4. Step 4: Simplify right side
    859,110.56x = 588,670,979,435.28
  5. Step 5: Solve for x
    x = 588,670,979,435.28/859,110.56
  6. Step 6: Final answer
    x = 685,209.81

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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.