Home / 1,330,711.70-1,996,359.15-657,115.70

Finding the Fourth Proportional to 1,330,711.70, 1,996,359.15 and 657,115.70

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Solution

The fourth proportional to 1,330,711.70, 1,996,359.15 and 657,115.70 is: 985,817.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,711.70 : 1,996,359.15 = 657,115.70 : x
  2. Step 2: Convert to fraction form
    1,330,711.70/1,996,359.15 = 657,115.70/x
  3. Step 3: Cross multiply
    1,330,711.70x = 1,996,359.15 × 657,115.70
  4. Step 4: Simplify right side
    1,330,711.70x = 1,311,838,940,303.65
  5. Step 5: Solve for x
    x = 1,311,838,940,303.65/1,330,711.70
  6. Step 6: Final answer
    x = 985,817.54

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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.