Home / 1,198,234.71-1,653,577.07-654,386.51

Finding the Fourth Proportional to 1,198,234.71, 1,653,577.07 and 654,386.51

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Solution

The fourth proportional to 1,198,234.71, 1,653,577.07 and 654,386.51 is: 903,060.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,234.71 : 1,653,577.07 = 654,386.51 : x
  2. Step 2: Convert to fraction form
    1,198,234.71/1,653,577.07 = 654,386.51/x
  3. Step 3: Cross multiply
    1,198,234.71x = 1,653,577.07 × 654,386.51
  4. Step 4: Simplify right side
    1,198,234.71x = 1,082,078,524,500.03
  5. Step 5: Solve for x
    x = 1,082,078,524,500.03/1,198,234.71
  6. Step 6: Final answer
    x = 903,060.57

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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.