Home / 1,189,212.54-1,641,095.54-699,237.36

Finding the Fourth Proportional to 1,189,212.54, 1,641,095.54 and 699,237.36

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Solution

The fourth proportional to 1,189,212.54, 1,641,095.54 and 699,237.36 is: 964,937.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,212.54 : 1,641,095.54 = 699,237.36 : x
  2. Step 2: Convert to fraction form
    1,189,212.54/1,641,095.54 = 699,237.36/x
  3. Step 3: Cross multiply
    1,189,212.54x = 1,641,095.54 × 699,237.36
  4. Step 4: Simplify right side
    1,189,212.54x = 1,147,515,312,023.33
  5. Step 5: Solve for x
    x = 1,147,515,312,023.33/1,189,212.54
  6. Step 6: Final answer
    x = 964,937.11

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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.