Home / 1,281,102.56-1,767,844.68-708,108.56

Finding the Fourth Proportional to 1,281,102.56, 1,767,844.68 and 708,108.56

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Solution

The fourth proportional to 1,281,102.56, 1,767,844.68 and 708,108.56 is: 977,147.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,102.56 : 1,767,844.68 = 708,108.56 : x
  2. Step 2: Convert to fraction form
    1,281,102.56/1,767,844.68 = 708,108.56/x
  3. Step 3: Cross multiply
    1,281,102.56x = 1,767,844.68 × 708,108.56
  4. Step 4: Simplify right side
    1,281,102.56x = 1,251,825,950,658.46
  5. Step 5: Solve for x
    x = 1,251,825,950,658.46/1,281,102.56
  6. Step 6: Final answer
    x = 977,147.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.