Home / 926,979.67-1,390,119.58-427,993.75

Finding the Fourth Proportional to 926,979.67, 1,390,119.58 and 427,993.75

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Solution

The fourth proportional to 926,979.67, 1,390,119.58 and 427,993.75 is: 641,829.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,979.67 : 1,390,119.58 = 427,993.75 : x
  2. Step 2: Convert to fraction form
    926,979.67/1,390,119.58 = 427,993.75/x
  3. Step 3: Cross multiply
    926,979.67x = 1,390,119.58 × 427,993.75
  4. Step 4: Simplify right side
    926,979.67x = 594,962,491,992.63
  5. Step 5: Solve for x
    x = 594,962,491,992.63/926,979.67
  6. Step 6: Final answer
    x = 641,829.06

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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.