Home / 1,331,572.20-1,996,046.10-657,101.40

Finding the Fourth Proportional to 1,331,572.20, 1,996,046.10 and 657,101.40

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Solution

The fourth proportional to 1,331,572.20, 1,996,046.10 and 657,101.40 is: 985,004.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,572.20 : 1,996,046.10 = 657,101.40 : x
  2. Step 2: Convert to fraction form
    1,331,572.20/1,996,046.10 = 657,101.40/x
  3. Step 3: Cross multiply
    1,331,572.20x = 1,996,046.10 × 657,101.40
  4. Step 4: Simplify right side
    1,331,572.20x = 1,311,604,686,774.54
  5. Step 5: Solve for x
    x = 1,311,604,686,774.54/1,331,572.20
  6. Step 6: Final answer
    x = 985,004.56

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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.