Home / 783,670.60-1,173,537.60-515,981.80

Finding the Fourth Proportional to 783,670.60, 1,173,537.60 and 515,981.80

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Solution

The fourth proportional to 783,670.60, 1,173,537.60 and 515,981.80 is: 772,676.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,670.60 : 1,173,537.60 = 515,981.80 : x
  2. Step 2: Convert to fraction form
    783,670.60/1,173,537.60 = 515,981.80/x
  3. Step 3: Cross multiply
    783,670.60x = 1,173,537.60 × 515,981.80
  4. Step 4: Simplify right side
    783,670.60x = 605,524,043,215.68
  5. Step 5: Solve for x
    x = 605,524,043,215.68/783,670.60
  6. Step 6: Final answer
    x = 772,676.74

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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.