Home / 673,976.49-1,010,465.37-318,575.22

Finding the Fourth Proportional to 673,976.49, 1,010,465.37 and 318,575.22

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Solution

The fourth proportional to 673,976.49, 1,010,465.37 and 318,575.22 is: 477,626.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,976.49 : 1,010,465.37 = 318,575.22 : x
  2. Step 2: Convert to fraction form
    673,976.49/1,010,465.37 = 318,575.22/x
  3. Step 3: Cross multiply
    673,976.49x = 1,010,465.37 × 318,575.22
  4. Step 4: Simplify right side
    673,976.49x = 321,909,227,550.13
  5. Step 5: Solve for x
    x = 321,909,227,550.13/673,976.49
  6. Step 6: Final answer
    x = 477,626.79

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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.