Home / 1,198,507.55-1,653,929.49-654,643.25

Finding the Fourth Proportional to 1,198,507.55, 1,653,929.49 and 654,643.25

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Solution

The fourth proportional to 1,198,507.55, 1,653,929.49 and 654,643.25 is: 903,401.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,507.55 : 1,653,929.49 = 654,643.25 : x
  2. Step 2: Convert to fraction form
    1,198,507.55/1,653,929.49 = 654,643.25/x
  3. Step 3: Cross multiply
    1,198,507.55x = 1,653,929.49 × 654,643.25
  4. Step 4: Simplify right side
    1,198,507.55x = 1,082,733,776,604.44
  5. Step 5: Solve for x
    x = 1,082,733,776,604.44/1,198,507.55
  6. Step 6: Final answer
    x = 903,401.72

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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.