Home / 986,317.90-1,361,190.63-556,635.58

Finding the Fourth Proportional to 986,317.90, 1,361,190.63 and 556,635.58

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Solution

The fourth proportional to 986,317.90, 1,361,190.63 and 556,635.58 is: 768,197.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,317.90 : 1,361,190.63 = 556,635.58 : x
  2. Step 2: Convert to fraction form
    986,317.90/1,361,190.63 = 556,635.58/x
  3. Step 3: Cross multiply
    986,317.90x = 1,361,190.63 × 556,635.58
  4. Step 4: Simplify right side
    986,317.90x = 757,687,135,820.62
  5. Step 5: Solve for x
    x = 757,687,135,820.62/986,317.90
  6. Step 6: Final answer
    x = 768,197.69

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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.