Home / 993,825.20-1,490,737.80-942,503.60

Finding the Fourth Proportional to 993,825.20, 1,490,737.80 and 942,503.60

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Solution

The fourth proportional to 993,825.20, 1,490,737.80 and 942,503.60 is: 1,413,755.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,825.20 : 1,490,737.80 = 942,503.60 : x
  2. Step 2: Convert to fraction form
    993,825.20/1,490,737.80 = 942,503.60/x
  3. Step 3: Cross multiply
    993,825.20x = 1,490,737.80 × 942,503.60
  4. Step 4: Simplify right side
    993,825.20x = 1,405,025,743,156.08
  5. Step 5: Solve for x
    x = 1,405,025,743,156.08/993,825.20
  6. Step 6: Final answer
    x = 1,413,755.40

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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.