Home / 985,241.06-1,359,647.77-577,245.28

Finding the Fourth Proportional to 985,241.06, 1,359,647.77 and 577,245.28

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Solution

The fourth proportional to 985,241.06, 1,359,647.77 and 577,245.28 is: 796,607.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,241.06 : 1,359,647.77 = 577,245.28 : x
  2. Step 2: Convert to fraction form
    985,241.06/1,359,647.77 = 577,245.28/x
  3. Step 3: Cross multiply
    985,241.06x = 1,359,647.77 × 577,245.28
  4. Step 4: Simplify right side
    985,241.06x = 784,850,257,695.03
  5. Step 5: Solve for x
    x = 784,850,257,695.03/985,241.06
  6. Step 6: Final answer
    x = 796,607.34

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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.