Home / 1,330,698.70-1,996,339.65-657,102.70

Finding the Fourth Proportional to 1,330,698.70, 1,996,339.65 and 657,102.70

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Solution

The fourth proportional to 1,330,698.70, 1,996,339.65 and 657,102.70 is: 985,798.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,698.70 : 1,996,339.65 = 657,102.70 : x
  2. Step 2: Convert to fraction form
    1,330,698.70/1,996,339.65 = 657,102.70/x
  3. Step 3: Cross multiply
    1,330,698.70x = 1,996,339.65 × 657,102.70
  4. Step 4: Simplify right side
    1,330,698.70x = 1,311,800,174,132.06
  5. Step 5: Solve for x
    x = 1,311,800,174,132.06/1,330,698.70
  6. Step 6: Final answer
    x = 985,798.04

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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.