Home / 705,644.20-1,055,874.30-519,020.20

Finding the Fourth Proportional to 705,644.20, 1,055,874.30 and 519,020.20

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Solution

The fourth proportional to 705,644.20, 1,055,874.30 and 519,020.20 is: 776,623.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,644.20 : 1,055,874.30 = 519,020.20 : x
  2. Step 2: Convert to fraction form
    705,644.20/1,055,874.30 = 519,020.20/x
  3. Step 3: Cross multiply
    705,644.20x = 1,055,874.30 × 519,020.20
  4. Step 4: Simplify right side
    705,644.20x = 548,020,090,360.86
  5. Step 5: Solve for x
    x = 548,020,090,360.86/705,644.20
  6. Step 6: Final answer
    x = 776,623.81

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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.