Home / 1,763,986.60-2,643,258.30-1,312,589.80

Finding the Fourth Proportional to 1,763,986.60, 2,643,258.30 and 1,312,589.80

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Solution

The fourth proportional to 1,763,986.60, 2,643,258.30 and 1,312,589.80 is: 1,966,859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763,986.60 : 2,643,258.30 = 1,312,589.80 : x
  2. Step 2: Convert to fraction form
    1,763,986.60/2,643,258.30 = 1,312,589.80/x
  3. Step 3: Cross multiply
    1,763,986.60x = 2,643,258.30 × 1,312,589.80
  4. Step 4: Simplify right side
    1,763,986.60x = 3,469,513,883,345.34
  5. Step 5: Solve for x
    x = 3,469,513,883,345.34/1,763,986.60
  6. Step 6: Final answer
    x = 1,966,859.55

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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.