Home / 1,106,685.09-1,527,228.59-641,629.35

Finding the Fourth Proportional to 1,106,685.09, 1,527,228.59 and 641,629.35

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Solution

The fourth proportional to 1,106,685.09, 1,527,228.59 and 641,629.35 is: 885,450.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,685.09 : 1,527,228.59 = 641,629.35 : x
  2. Step 2: Convert to fraction form
    1,106,685.09/1,527,228.59 = 641,629.35/x
  3. Step 3: Cross multiply
    1,106,685.09x = 1,527,228.59 × 641,629.35
  4. Step 4: Simplify right side
    1,106,685.09x = 979,914,684,294.97
  5. Step 5: Solve for x
    x = 979,914,684,294.97/1,106,685.09
  6. Step 6: Final answer
    x = 885,450.34

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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.