Home / 1,212,116.59-1,672,645.03-668,224.27

Finding the Fourth Proportional to 1,212,116.59, 1,672,645.03 and 668,224.27

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Solution

The fourth proportional to 1,212,116.59, 1,672,645.03 and 668,224.27 is: 922,107.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,116.59 : 1,672,645.03 = 668,224.27 : x
  2. Step 2: Convert to fraction form
    1,212,116.59/1,672,645.03 = 668,224.27/x
  3. Step 3: Cross multiply
    1,212,116.59x = 1,672,645.03 × 668,224.27
  4. Step 4: Simplify right side
    1,212,116.59x = 1,117,702,004,140.88
  5. Step 5: Solve for x
    x = 1,117,702,004,140.88/1,212,116.59
  6. Step 6: Final answer
    x = 922,107.67

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1.5x scale

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.