Home / 705,775.20-1,058,662.80-481,826.40

Finding the Fourth Proportional to 705,775.20, 1,058,662.80 and 481,826.40

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Solution

The fourth proportional to 705,775.20, 1,058,662.80 and 481,826.40 is: 722,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,775.20 : 1,058,662.80 = 481,826.40 : x
  2. Step 2: Convert to fraction form
    705,775.20/1,058,662.80 = 481,826.40/x
  3. Step 3: Cross multiply
    705,775.20x = 1,058,662.80 × 481,826.40
  4. Step 4: Simplify right side
    705,775.20x = 510,091,685,737.92
  5. Step 5: Solve for x
    x = 510,091,685,737.92/705,775.20
  6. Step 6: Final answer
    x = 722,739.60

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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.