Home / 991,892.54-1,368,805.20-539,183.54

Finding the Fourth Proportional to 991,892.54, 1,368,805.20 and 539,183.54

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Solution

The fourth proportional to 991,892.54, 1,368,805.20 and 539,183.54 is: 744,069.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,892.54 : 1,368,805.20 = 539,183.54 : x
  2. Step 2: Convert to fraction form
    991,892.54/1,368,805.20 = 539,183.54/x
  3. Step 3: Cross multiply
    991,892.54x = 1,368,805.20 × 539,183.54
  4. Step 4: Simplify right side
    991,892.54x = 738,037,233,306.41
  5. Step 5: Solve for x
    x = 738,037,233,306.41/991,892.54
  6. Step 6: Final answer
    x = 744,069.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.