Home / 648,862.76-973,296.42-199,580.60

Finding the Fourth Proportional to 648,862.76, 973,296.42 and 199,580.60

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Solution

The fourth proportional to 648,862.76, 973,296.42 and 199,580.60 is: 299,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,862.76 : 973,296.42 = 199,580.60 : x
  2. Step 2: Convert to fraction form
    648,862.76/973,296.42 = 199,580.60/x
  3. Step 3: Cross multiply
    648,862.76x = 973,296.42 × 199,580.60
  4. Step 4: Simplify right side
    648,862.76x = 194,251,083,481.45
  5. Step 5: Solve for x
    x = 194,251,083,481.45/648,862.76
  6. Step 6: Final answer
    x = 299,371.60

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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.