Home / 849,145.92-1,171,821.30-467,164.50

Finding the Fourth Proportional to 849,145.92, 1,171,821.30 and 467,164.50

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Solution

The fourth proportional to 849,145.92, 1,171,821.30 and 467,164.50 is: 644,686.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,145.92 : 1,171,821.30 = 467,164.50 : x
  2. Step 2: Convert to fraction form
    849,145.92/1,171,821.30 = 467,164.50/x
  3. Step 3: Cross multiply
    849,145.92x = 1,171,821.30 × 467,164.50
  4. Step 4: Simplify right side
    849,145.92x = 547,433,311,703.85
  5. Step 5: Solve for x
    x = 547,433,311,703.85/849,145.92
  6. Step 6: Final answer
    x = 644,686.97

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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.