Home / 1,174,511.67-1,620,749.28-690,983.44

Finding the Fourth Proportional to 1,174,511.67, 1,620,749.28 and 690,983.44

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Solution

The fourth proportional to 1,174,511.67, 1,620,749.28 and 690,983.44 is: 953,511.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,511.67 : 1,620,749.28 = 690,983.44 : x
  2. Step 2: Convert to fraction form
    1,174,511.67/1,620,749.28 = 690,983.44/x
  3. Step 3: Cross multiply
    1,174,511.67x = 1,620,749.28 × 690,983.44
  4. Step 4: Simplify right side
    1,174,511.67x = 1,119,910,912,871.92
  5. Step 5: Solve for x
    x = 1,119,910,912,871.92/1,174,511.67
  6. Step 6: Final answer
    x = 953,511.95

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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.