Home / 648,871.76-973,309.93-199,589.60

Finding the Fourth Proportional to 648,871.76, 973,309.93 and 199,589.60

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Solution

The fourth proportional to 648,871.76, 973,309.93 and 199,589.60 is: 299,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,871.76 : 973,309.93 = 199,589.60 : x
  2. Step 2: Convert to fraction form
    648,871.76/973,309.93 = 199,589.60/x
  3. Step 3: Cross multiply
    648,871.76x = 973,309.93 × 199,589.60
  4. Step 4: Simplify right side
    648,871.76x = 194,262,539,604.73
  5. Step 5: Solve for x
    x = 194,262,539,604.73/648,871.76
  6. Step 6: Final answer
    x = 299,385.10

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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.