Home / 996,825.20-1,495,237.80-729,136.40

Finding the Fourth Proportional to 996,825.20, 1,495,237.80 and 729,136.40

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Solution

The fourth proportional to 996,825.20, 1,495,237.80 and 729,136.40 is: 1,093,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,825.20 : 1,495,237.80 = 729,136.40 : x
  2. Step 2: Convert to fraction form
    996,825.20/1,495,237.80 = 729,136.40/x
  3. Step 3: Cross multiply
    996,825.20x = 1,495,237.80 × 729,136.40
  4. Step 4: Simplify right side
    996,825.20x = 1,090,232,306,635.92
  5. Step 5: Solve for x
    x = 1,090,232,306,635.92/996,825.20
  6. Step 6: Final answer
    x = 1,093,704.60

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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.