Home / 689,296.76-1,033,808.58-655,118.81

Finding the Fourth Proportional to 689,296.76, 1,033,808.58 and 655,118.81

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Solution

The fourth proportional to 689,296.76, 1,033,808.58 and 655,118.81 is: 982,548.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,296.76 : 1,033,808.58 = 655,118.81 : x
  2. Step 2: Convert to fraction form
    689,296.76/1,033,808.58 = 655,118.81/x
  3. Step 3: Cross multiply
    689,296.76x = 1,033,808.58 × 655,118.81
  4. Step 4: Simplify right side
    689,296.76x = 677,267,446,697.39
  5. Step 5: Solve for x
    x = 677,267,446,697.39/689,296.76
  6. Step 6: Final answer
    x = 982,548.43

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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.