Home / 772,651.80-1,158,977.70-729,106.20

Finding the Fourth Proportional to 772,651.80, 1,158,977.70 and 729,106.20

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Solution

The fourth proportional to 772,651.80, 1,158,977.70 and 729,106.20 is: 1,093,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,651.80 : 1,158,977.70 = 729,106.20 : x
  2. Step 2: Convert to fraction form
    772,651.80/1,158,977.70 = 729,106.20/x
  3. Step 3: Cross multiply
    772,651.80x = 1,158,977.70 × 729,106.20
  4. Step 4: Simplify right side
    772,651.80x = 845,017,826,731.74
  5. Step 5: Solve for x
    x = 845,017,826,731.74/772,651.80
  6. Step 6: Final answer
    x = 1,093,659.30

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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.