Home / 1,330,710.20-1,996,356.90-657,114.20

Finding the Fourth Proportional to 1,330,710.20, 1,996,356.90 and 657,114.20

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Solution

The fourth proportional to 1,330,710.20, 1,996,356.90 and 657,114.20 is: 985,815.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,710.20 : 1,996,356.90 = 657,114.20 : x
  2. Step 2: Convert to fraction form
    1,330,710.20/1,996,356.90 = 657,114.20/x
  3. Step 3: Cross multiply
    1,330,710.20x = 1,996,356.90 × 657,114.20
  4. Step 4: Simplify right side
    1,330,710.20x = 1,311,834,467,257.98
  5. Step 5: Solve for x
    x = 1,311,834,467,257.98/1,330,710.20
  6. Step 6: Final answer
    x = 985,815.29

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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.