Home / 683,612.40-1,025,418.60-403,676.40

Finding the Fourth Proportional to 683,612.40, 1,025,418.60 and 403,676.40

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Solution

The fourth proportional to 683,612.40, 1,025,418.60 and 403,676.40 is: 605,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,612.40 : 1,025,418.60 = 403,676.40 : x
  2. Step 2: Convert to fraction form
    683,612.40/1,025,418.60 = 403,676.40/x
  3. Step 3: Cross multiply
    683,612.40x = 1,025,418.60 × 403,676.40
  4. Step 4: Simplify right side
    683,612.40x = 413,937,288,941.04
  5. Step 5: Solve for x
    x = 413,937,288,941.04/683,612.40
  6. Step 6: Final answer
    x = 605,514.60

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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.