Home / 859,113.56-1,185,507.34-496,560.90

Finding the Fourth Proportional to 859,113.56, 1,185,507.34 and 496,560.90

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Solution

The fourth proportional to 859,113.56, 1,185,507.34 and 496,560.90 is: 685,213.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,113.56 : 1,185,507.34 = 496,560.90 : x
  2. Step 2: Convert to fraction form
    859,113.56/1,185,507.34 = 496,560.90/x
  3. Step 3: Cross multiply
    859,113.56x = 1,185,507.34 × 496,560.90
  4. Step 4: Simplify right side
    859,113.56x = 588,676,591,707.01
  5. Step 5: Solve for x
    x = 588,676,591,707.01/859,113.56
  6. Step 6: Final answer
    x = 685,213.95

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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.