Home / 1,759,949.29-2,428,378.73-1,071,159.80

Finding the Fourth Proportional to 1,759,949.29, 2,428,378.73 and 1,071,159.80

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Solution

The fourth proportional to 1,759,949.29, 2,428,378.73 and 1,071,159.80 is: 1,477,986.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,949.29 : 2,428,378.73 = 1,071,159.80 : x
  2. Step 2: Convert to fraction form
    1,759,949.29/2,428,378.73 = 1,071,159.80/x
  3. Step 3: Cross multiply
    1,759,949.29x = 2,428,378.73 × 1,071,159.80
  4. Step 4: Simplify right side
    1,759,949.29x = 2,601,181,667,295.48
  5. Step 5: Solve for x
    x = 2,601,181,667,295.48/1,759,949.29
  6. Step 6: Final answer
    x = 1,477,986.71

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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.