Home / 1,206,556.83-1,809,840.74-407,842.65

Finding the Fourth Proportional to 1,206,556.83, 1,809,840.74 and 407,842.65

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Solution

The fourth proportional to 1,206,556.83, 1,809,840.74 and 407,842.65 is: 611,765.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,556.83 : 1,809,840.74 = 407,842.65 : x
  2. Step 2: Convert to fraction form
    1,206,556.83/1,809,840.74 = 407,842.65/x
  3. Step 3: Cross multiply
    1,206,556.83x = 1,809,840.74 × 407,842.65
  4. Step 4: Simplify right side
    1,206,556.83x = 738,130,241,440.35
  5. Step 5: Solve for x
    x = 738,130,241,440.35/1,206,556.83
  6. Step 6: Final answer
    x = 611,765.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.