Home / 648,863.76-973,297.92-199,581.60

Finding the Fourth Proportional to 648,863.76, 973,297.92 and 199,581.60

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Solution

The fourth proportional to 648,863.76, 973,297.92 and 199,581.60 is: 299,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,863.76 : 973,297.92 = 199,581.60 : x
  2. Step 2: Convert to fraction form
    648,863.76/973,297.92 = 199,581.60/x
  3. Step 3: Cross multiply
    648,863.76x = 973,297.92 × 199,581.60
  4. Step 4: Simplify right side
    648,863.76x = 194,252,356,150.27
  5. Step 5: Solve for x
    x = 194,252,356,150.27/648,863.76
  6. Step 6: Final answer
    x = 299,373.10

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Double scale
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Similar ratio
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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.