Home / 1,105,568.12-1,525,679.15-622,141.34

Finding the Fourth Proportional to 1,105,568.12, 1,525,679.15 and 622,141.34

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Solution

The fourth proportional to 1,105,568.12, 1,525,679.15 and 622,141.34 is: 858,552.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,568.12 : 1,525,679.15 = 622,141.34 : x
  2. Step 2: Convert to fraction form
    1,105,568.12/1,525,679.15 = 622,141.34/x
  3. Step 3: Cross multiply
    1,105,568.12x = 1,525,679.15 × 622,141.34
  4. Step 4: Simplify right side
    1,105,568.12x = 949,188,060,051.96
  5. Step 5: Solve for x
    x = 949,188,060,051.96/1,105,568.12
  6. Step 6: Final answer
    x = 858,552.31

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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.