Home / 1,879,446.06-2,819,169.09-459,485.28

Finding the Fourth Proportional to 1,879,446.06, 2,819,169.09 and 459,485.28

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Solution

The fourth proportional to 1,879,446.06, 2,819,169.09 and 459,485.28 is: 689,227.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,446.06 : 2,819,169.09 = 459,485.28 : x
  2. Step 2: Convert to fraction form
    1,879,446.06/2,819,169.09 = 459,485.28/x
  3. Step 3: Cross multiply
    1,879,446.06x = 2,819,169.09 × 459,485.28
  4. Step 4: Simplify right side
    1,879,446.06x = 1,295,366,698,686.00
  5. Step 5: Solve for x
    x = 1,295,366,698,686.00/1,879,446.06
  6. Step 6: Final answer
    x = 689,227.92

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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.