Home / 683,819.10-1,025,728.65-605,087.10

Finding the Fourth Proportional to 683,819.10, 1,025,728.65 and 605,087.10

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Solution

The fourth proportional to 683,819.10, 1,025,728.65 and 605,087.10 is: 907,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,819.10 : 1,025,728.65 = 605,087.10 : x
  2. Step 2: Convert to fraction form
    683,819.10/1,025,728.65 = 605,087.10/x
  3. Step 3: Cross multiply
    683,819.10x = 1,025,728.65 × 605,087.10
  4. Step 4: Simplify right side
    683,819.10x = 620,655,174,215.42
  5. Step 5: Solve for x
    x = 620,655,174,215.42/683,819.10
  6. Step 6: Final answer
    x = 907,630.65

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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.