Home / 1,105,340.82-1,525,261.46-621,895.29

Finding the Fourth Proportional to 1,105,340.82, 1,525,261.46 and 621,895.29

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Solution

The fourth proportional to 1,105,340.82, 1,525,261.46 and 621,895.29 is: 858,154.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,340.82 : 1,525,261.46 = 621,895.29 : x
  2. Step 2: Convert to fraction form
    1,105,340.82/1,525,261.46 = 621,895.29/x
  3. Step 3: Cross multiply
    1,105,340.82x = 1,525,261.46 × 621,895.29
  4. Step 4: Simplify right side
    1,105,340.82x = 948,552,914,883.05
  5. Step 5: Solve for x
    x = 948,552,914,883.05/1,105,340.82
  6. Step 6: Final answer
    x = 858,154.24

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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.