Home / 859,171.74-1,185,525.31-496,525.62

Finding the Fourth Proportional to 859,171.74, 1,185,525.31 and 496,525.62

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Solution

The fourth proportional to 859,171.74, 1,185,525.31 and 496,525.62 is: 685,129.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,171.74 : 1,185,525.31 = 496,525.62 : x
  2. Step 2: Convert to fraction form
    859,171.74/1,185,525.31 = 496,525.62/x
  3. Step 3: Cross multiply
    859,171.74x = 1,185,525.31 × 496,525.62
  4. Step 4: Simplify right side
    859,171.74x = 588,643,689,573.44
  5. Step 5: Solve for x
    x = 588,643,689,573.44/859,171.74
  6. Step 6: Final answer
    x = 685,129.25

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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.