Home / 1,128,680.28-1,692,023.82-863,623.98

Finding the Fourth Proportional to 1,128,680.28, 1,692,023.82 and 863,623.98

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Solution

The fourth proportional to 1,128,680.28, 1,692,023.82 and 863,623.98 is: 1,294,673.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,680.28 : 1,692,023.82 = 863,623.98 : x
  2. Step 2: Convert to fraction form
    1,128,680.28/1,692,023.82 = 863,623.98/x
  3. Step 3: Cross multiply
    1,128,680.28x = 1,692,023.82 × 863,623.98
  4. Step 4: Simplify right side
    1,128,680.28x = 1,461,272,345,683.20
  5. Step 5: Solve for x
    x = 1,461,272,345,683.20/1,128,680.28
  6. Step 6: Final answer
    x = 1,294,673.41

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.