Home / 1,143,904.40-1,577,932.21-713,437.19

Finding the Fourth Proportional to 1,143,904.40, 1,577,932.21 and 713,437.19

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Solution

The fourth proportional to 1,143,904.40, 1,577,932.21 and 713,437.19 is: 984,134.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,904.40 : 1,577,932.21 = 713,437.19 : x
  2. Step 2: Convert to fraction form
    1,143,904.40/1,577,932.21 = 713,437.19/x
  3. Step 3: Cross multiply
    1,143,904.40x = 1,577,932.21 × 713,437.19
  4. Step 4: Simplify right side
    1,143,904.40x = 1,125,755,521,912.89
  5. Step 5: Solve for x
    x = 1,125,755,521,912.89/1,143,904.40
  6. Step 6: Final answer
    x = 984,134.27

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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.