Home / 1,212,308.21-1,818,396.38-370,859.96

Finding the Fourth Proportional to 1,212,308.21, 1,818,396.38 and 370,859.96

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Solution

The fourth proportional to 1,212,308.21, 1,818,396.38 and 370,859.96 is: 556,269.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,308.21 : 1,818,396.38 = 370,859.96 : x
  2. Step 2: Convert to fraction form
    1,212,308.21/1,818,396.38 = 370,859.96/x
  3. Step 3: Cross multiply
    1,212,308.21x = 1,818,396.38 × 370,859.96
  4. Step 4: Simplify right side
    1,212,308.21x = 674,370,397,804.66
  5. Step 5: Solve for x
    x = 674,370,397,804.66/1,212,308.21
  6. Step 6: Final answer
    x = 556,269.76

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1.5x scale

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.