Home / 1,023,616.35-1,535,369.13-313,646.49

Finding the Fourth Proportional to 1,023,616.35, 1,535,369.13 and 313,646.49

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Solution

The fourth proportional to 1,023,616.35, 1,535,369.13 and 313,646.49 is: 470,452.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,616.35 : 1,535,369.13 = 313,646.49 : x
  2. Step 2: Convert to fraction form
    1,023,616.35/1,535,369.13 = 313,646.49/x
  3. Step 3: Cross multiply
    1,023,616.35x = 1,535,369.13 × 313,646.49
  4. Step 4: Simplify right side
    1,023,616.35x = 481,563,138,478.85
  5. Step 5: Solve for x
    x = 481,563,138,478.85/1,023,616.35
  6. Step 6: Final answer
    x = 470,452.76

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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.