Home / 1,038,105.40-1,555,481.40-587,486.20

Finding the Fourth Proportional to 1,038,105.40, 1,555,481.40 and 587,486.20

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Solution

The fourth proportional to 1,038,105.40, 1,555,481.40 and 587,486.20 is: 880,280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,105.40 : 1,555,481.40 = 587,486.20 : x
  2. Step 2: Convert to fraction form
    1,038,105.40/1,555,481.40 = 587,486.20/x
  3. Step 3: Cross multiply
    1,038,105.40x = 1,555,481.40 × 587,486.20
  4. Step 4: Simplify right side
    1,038,105.40x = 913,823,856,856.68
  5. Step 5: Solve for x
    x = 913,823,856,856.68/1,038,105.40
  6. Step 6: Final answer
    x = 880,280.42

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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.