Home / 957,986.40-1,436,979.60-911,330.40

Finding the Fourth Proportional to 957,986.40, 1,436,979.60 and 911,330.40

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Solution

The fourth proportional to 957,986.40, 1,436,979.60 and 911,330.40 is: 1,366,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,986.40 : 1,436,979.60 = 911,330.40 : x
  2. Step 2: Convert to fraction form
    957,986.40/1,436,979.60 = 911,330.40/x
  3. Step 3: Cross multiply
    957,986.40x = 1,436,979.60 × 911,330.40
  4. Step 4: Simplify right side
    957,986.40x = 1,309,563,193,659.84
  5. Step 5: Solve for x
    x = 1,309,563,193,659.84/957,986.40
  6. Step 6: Final answer
    x = 1,366,995.60

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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.