Home / 735,350.40-1,103,025.60-398,552.40

Finding the Fourth Proportional to 735,350.40, 1,103,025.60 and 398,552.40

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Solution

The fourth proportional to 735,350.40, 1,103,025.60 and 398,552.40 is: 597,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,350.40 : 1,103,025.60 = 398,552.40 : x
  2. Step 2: Convert to fraction form
    735,350.40/1,103,025.60 = 398,552.40/x
  3. Step 3: Cross multiply
    735,350.40x = 1,103,025.60 × 398,552.40
  4. Step 4: Simplify right side
    735,350.40x = 439,613,500,141.44
  5. Step 5: Solve for x
    x = 439,613,500,141.44/735,350.40
  6. Step 6: Final answer
    x = 597,828.60

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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.