Home / 846,086.08-1,268,497.86-509,047.78

Finding the Fourth Proportional to 846,086.08, 1,268,497.86 and 509,047.78

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Solution

The fourth proportional to 846,086.08, 1,268,497.86 and 509,047.78 is: 763,191.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,086.08 : 1,268,497.86 = 509,047.78 : x
  2. Step 2: Convert to fraction form
    846,086.08/1,268,497.86 = 509,047.78/x
  3. Step 3: Cross multiply
    846,086.08x = 1,268,497.86 × 509,047.78
  4. Step 4: Simplify right side
    846,086.08x = 645,726,019,567.75
  5. Step 5: Solve for x
    x = 645,726,019,567.75/846,086.08
  6. Step 6: Final answer
    x = 763,191.87

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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.