Home / 683,266.60-1,024,899.90-403,100.20

Finding the Fourth Proportional to 683,266.60, 1,024,899.90 and 403,100.20

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Solution

The fourth proportional to 683,266.60, 1,024,899.90 and 403,100.20 is: 604,650.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,266.60 : 1,024,899.90 = 403,100.20 : x
  2. Step 2: Convert to fraction form
    683,266.60/1,024,899.90 = 403,100.20/x
  3. Step 3: Cross multiply
    683,266.60x = 1,024,899.90 × 403,100.20
  4. Step 4: Simplify right side
    683,266.60x = 413,137,354,669.98
  5. Step 5: Solve for x
    x = 413,137,354,669.98/683,266.60
  6. Step 6: Final answer
    x = 604,650.30

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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.