Home / 996,974.20-1,494,440.70-490,756.60

Finding the Fourth Proportional to 996,974.20, 1,494,440.70 and 490,756.60

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Solution

The fourth proportional to 996,974.20, 1,494,440.70 and 490,756.60 is: 735,632.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,974.20 : 1,494,440.70 = 490,756.60 : x
  2. Step 2: Convert to fraction form
    996,974.20/1,494,440.70 = 490,756.60/x
  3. Step 3: Cross multiply
    996,974.20x = 1,494,440.70 × 490,756.60
  4. Step 4: Simplify right side
    996,974.20x = 733,406,636,833.62
  5. Step 5: Solve for x
    x = 733,406,636,833.62/996,974.20
  6. Step 6: Final answer
    x = 735,632.51

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1.5x scale

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.