Home / 1,110,448.65-1,666,336.61-1,020,103.68

Finding the Fourth Proportional to 1,110,448.65, 1,666,336.61 and 1,020,103.68

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Solution

The fourth proportional to 1,110,448.65, 1,666,336.61 and 1,020,103.68 is: 1,530,765.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,448.65 : 1,666,336.61 = 1,020,103.68 : x
  2. Step 2: Convert to fraction form
    1,110,448.65/1,666,336.61 = 1,020,103.68/x
  3. Step 3: Cross multiply
    1,110,448.65x = 1,666,336.61 × 1,020,103.68
  4. Step 4: Simplify right side
    1,110,448.65x = 1,699,836,102,879.21
  5. Step 5: Solve for x
    x = 1,699,836,102,879.21/1,110,448.65
  6. Step 6: Final answer
    x = 1,530,765.16

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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.