Home / 1,107,918.37-1,528,999.23-617,942.89

Finding the Fourth Proportional to 1,107,918.37, 1,528,999.23 and 617,942.89

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Solution

The fourth proportional to 1,107,918.37, 1,528,999.23 and 617,942.89 is: 852,801.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,918.37 : 1,528,999.23 = 617,942.89 : x
  2. Step 2: Convert to fraction form
    1,107,918.37/1,528,999.23 = 617,942.89/x
  3. Step 3: Cross multiply
    1,107,918.37x = 1,528,999.23 × 617,942.89
  4. Step 4: Simplify right side
    1,107,918.37x = 944,834,202,993.98
  5. Step 5: Solve for x
    x = 944,834,202,993.98/1,107,918.37
  6. Step 6: Final answer
    x = 852,801.28

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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.