Home / 957,680.40-1,436,405.40-396,656.40

Finding the Fourth Proportional to 957,680.40, 1,436,405.40 and 396,656.40

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Solution

The fourth proportional to 957,680.40, 1,436,405.40 and 396,656.40 is: 594,936.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,680.40 : 1,436,405.40 = 396,656.40 : x
  2. Step 2: Convert to fraction form
    957,680.40/1,436,405.40 = 396,656.40/x
  3. Step 3: Cross multiply
    957,680.40x = 1,436,405.40 × 396,656.40
  4. Step 4: Simplify right side
    957,680.40x = 569,759,394,904.56
  5. Step 5: Solve for x
    x = 569,759,394,904.56/957,680.40
  6. Step 6: Final answer
    x = 594,936.89

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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.