Home / 1,397,622.35-1,928,707.38-881,709.50

Finding the Fourth Proportional to 1,397,622.35, 1,928,707.38 and 881,709.50

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Solution

The fourth proportional to 1,397,622.35, 1,928,707.38 and 881,709.50 is: 1,216,751.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,622.35 : 1,928,707.38 = 881,709.50 : x
  2. Step 2: Convert to fraction form
    1,397,622.35/1,928,707.38 = 881,709.50/x
  3. Step 3: Cross multiply
    1,397,622.35x = 1,928,707.38 × 881,709.50
  4. Step 4: Simplify right side
    1,397,622.35x = 1,700,559,624,487.88
  5. Step 5: Solve for x
    x = 1,700,559,624,487.88/1,397,622.35
  6. Step 6: Final answer
    x = 1,216,751.88

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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.