Home / 735,344.40-1,103,016.60-398,546.40

Finding the Fourth Proportional to 735,344.40, 1,103,016.60 and 398,546.40

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Solution

The fourth proportional to 735,344.40, 1,103,016.60 and 398,546.40 is: 597,819.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,344.40 : 1,103,016.60 = 398,546.40 : x
  2. Step 2: Convert to fraction form
    735,344.40/1,103,016.60 = 398,546.40/x
  3. Step 3: Cross multiply
    735,344.40x = 1,103,016.60 × 398,546.40
  4. Step 4: Simplify right side
    735,344.40x = 439,603,295,070.24
  5. Step 5: Solve for x
    x = 439,603,295,070.24/735,344.40
  6. Step 6: Final answer
    x = 597,819.60

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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.