Home / 883,012.40-1,321,566.15-617,291.90

Finding the Fourth Proportional to 883,012.40, 1,321,566.15 and 617,291.90

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Solution

The fourth proportional to 883,012.40, 1,321,566.15 and 617,291.90 is: 923,873.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,012.40 : 1,321,566.15 = 617,291.90 : x
  2. Step 2: Convert to fraction form
    883,012.40/1,321,566.15 = 617,291.90/x
  3. Step 3: Cross multiply
    883,012.40x = 1,321,566.15 × 617,291.90
  4. Step 4: Simplify right side
    883,012.40x = 815,792,079,709.19
  5. Step 5: Solve for x
    x = 815,792,079,709.19/883,012.40
  6. Step 6: Final answer
    x = 923,873.87

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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.