Home / 1,015,468.40-1,401,500.64-648,104

Finding the Fourth Proportional to 1,015,468.40, 1,401,500.64 and 648,104

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Solution

The fourth proportional to 1,015,468.40, 1,401,500.64 and 648,104 is: 894,481.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,468.40 : 1,401,500.64 = 648,104 : x
  2. Step 2: Convert to fraction form
    1,015,468.40/1,401,500.64 = 648,104/x
  3. Step 3: Cross multiply
    1,015,468.40x = 1,401,500.64 × 648,104
  4. Step 4: Simplify right side
    1,015,468.40x = 908,318,170,786.56
  5. Step 5: Solve for x
    x = 908,318,170,786.56/1,015,468.40
  6. Step 6: Final answer
    x = 894,481.97

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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.