Home / 996,328.80-1,494,493.20-919,346.40

Finding the Fourth Proportional to 996,328.80, 1,494,493.20 and 919,346.40

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Solution

The fourth proportional to 996,328.80, 1,494,493.20 and 919,346.40 is: 1,379,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,328.80 : 1,494,493.20 = 919,346.40 : x
  2. Step 2: Convert to fraction form
    996,328.80/1,494,493.20 = 919,346.40/x
  3. Step 3: Cross multiply
    996,328.80x = 1,494,493.20 × 919,346.40
  4. Step 4: Simplify right side
    996,328.80x = 1,373,956,943,244.48
  5. Step 5: Solve for x
    x = 1,373,956,943,244.48/996,328.80
  6. Step 6: Final answer
    x = 1,379,019.60

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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.