Home / 639,379.26-959,068.62-190,098.18

Finding the Fourth Proportional to 639,379.26, 959,068.62 and 190,098.18

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Solution

The fourth proportional to 639,379.26, 959,068.62 and 190,098.18 is: 285,147.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,379.26 : 959,068.62 = 190,098.18 : x
  2. Step 2: Convert to fraction form
    639,379.26/959,068.62 = 190,098.18/x
  3. Step 3: Cross multiply
    639,379.26x = 959,068.62 × 190,098.18
  4. Step 4: Simplify right side
    639,379.26x = 182,317,199,157.11
  5. Step 5: Solve for x
    x = 182,317,199,157.11/639,379.26
  6. Step 6: Final answer
    x = 285,147.19

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.