Home / 1,942,562.80-2,913,930.60-663,151.60

Finding the Fourth Proportional to 1,942,562.80, 2,913,930.60 and 663,151.60

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Solution

The fourth proportional to 1,942,562.80, 2,913,930.60 and 663,151.60 is: 994,756.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,562.80 : 2,913,930.60 = 663,151.60 : x
  2. Step 2: Convert to fraction form
    1,942,562.80/2,913,930.60 = 663,151.60/x
  3. Step 3: Cross multiply
    1,942,562.80x = 2,913,930.60 × 663,151.60
  4. Step 4: Simplify right side
    1,942,562.80x = 1,932,377,739,678.96
  5. Step 5: Solve for x
    x = 1,932,377,739,678.96/1,942,562.80
  6. Step 6: Final answer
    x = 994,756.90

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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.