Home / 648,442.28-892,869.43-587,617.19

Finding the Fourth Proportional to 648,442.28, 892,869.43 and 587,617.19

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Solution

The fourth proportional to 648,442.28, 892,869.43 and 587,617.19 is: 809,116.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,442.28 : 892,869.43 = 587,617.19 : x
  2. Step 2: Convert to fraction form
    648,442.28/892,869.43 = 587,617.19/x
  3. Step 3: Cross multiply
    648,442.28x = 892,869.43 × 587,617.19
  4. Step 4: Simplify right side
    648,442.28x = 524,665,425,493.50
  5. Step 5: Solve for x
    x = 524,665,425,493.50/648,442.28
  6. Step 6: Final answer
    x = 809,116.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.