Home / 683,431.20-1,026,183.60-525,837.60

Finding the Fourth Proportional to 683,431.20, 1,026,183.60 and 525,837.60

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Solution

The fourth proportional to 683,431.20, 1,026,183.60 and 525,837.60 is: 789,554.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,431.20 : 1,026,183.60 = 525,837.60 : x
  2. Step 2: Convert to fraction form
    683,431.20/1,026,183.60 = 525,837.60/x
  3. Step 3: Cross multiply
    683,431.20x = 1,026,183.60 × 525,837.60
  4. Step 4: Simplify right side
    683,431.20x = 539,605,921,383.36
  5. Step 5: Solve for x
    x = 539,605,921,383.36/683,431.20
  6. Step 6: Final answer
    x = 789,554.12

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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.