Home / 1,121,493.84-1,682,240.52-619,248.24

Finding the Fourth Proportional to 1,121,493.84, 1,682,240.52 and 619,248.24

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Solution

The fourth proportional to 1,121,493.84, 1,682,240.52 and 619,248.24 is: 928,872.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,493.84 : 1,682,240.52 = 619,248.24 : x
  2. Step 2: Convert to fraction form
    1,121,493.84/1,682,240.52 = 619,248.24/x
  3. Step 3: Cross multiply
    1,121,493.84x = 1,682,240.52 × 619,248.24
  4. Step 4: Simplify right side
    1,121,493.84x = 1,041,724,481,266.68
  5. Step 5: Solve for x
    x = 1,041,724,481,266.68/1,121,493.84
  6. Step 6: Final answer
    x = 928,872.23

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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.