Home / 772,846.80-1,159,270.20-744,853.20

Finding the Fourth Proportional to 772,846.80, 1,159,270.20 and 744,853.20

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Solution

The fourth proportional to 772,846.80, 1,159,270.20 and 744,853.20 is: 1,117,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,846.80 : 1,159,270.20 = 744,853.20 : x
  2. Step 2: Convert to fraction form
    772,846.80/1,159,270.20 = 744,853.20/x
  3. Step 3: Cross multiply
    772,846.80x = 1,159,270.20 × 744,853.20
  4. Step 4: Simplify right side
    772,846.80x = 863,486,118,134.64
  5. Step 5: Solve for x
    x = 863,486,118,134.64/772,846.80
  6. Step 6: Final answer
    x = 1,117,279.80

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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.