Home / 950,893.54-1,425,815.42-390,321.70

Finding the Fourth Proportional to 950,893.54, 1,425,815.42 and 390,321.70

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Solution

The fourth proportional to 950,893.54, 1,425,815.42 and 390,321.70 is: 585,267.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,893.54 : 1,425,815.42 = 390,321.70 : x
  2. Step 2: Convert to fraction form
    950,893.54/1,425,815.42 = 390,321.70/x
  3. Step 3: Cross multiply
    950,893.54x = 1,425,815.42 × 390,321.70
  4. Step 4: Simplify right side
    950,893.54x = 556,526,698,620.61
  5. Step 5: Solve for x
    x = 556,526,698,620.61/950,893.54
  6. Step 6: Final answer
    x = 585,267.09

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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.