Home / 668,835.44-1,003,253.85-313,849.80

Finding the Fourth Proportional to 668,835.44, 1,003,253.85 and 313,849.80

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Solution

The fourth proportional to 668,835.44, 1,003,253.85 and 313,849.80 is: 470,775.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,835.44 : 1,003,253.85 = 313,849.80 : x
  2. Step 2: Convert to fraction form
    668,835.44/1,003,253.85 = 313,849.80/x
  3. Step 3: Cross multiply
    668,835.44x = 1,003,253.85 × 313,849.80
  4. Step 4: Simplify right side
    668,835.44x = 314,871,020,171.73
  5. Step 5: Solve for x
    x = 314,871,020,171.73/668,835.44
  6. Step 6: Final answer
    x = 470,775.02

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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.