Home / 783,086.60-1,174,629.90-546,890.60

Finding the Fourth Proportional to 783,086.60, 1,174,629.90 and 546,890.60

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Solution

The fourth proportional to 783,086.60, 1,174,629.90 and 546,890.60 is: 820,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,086.60 : 1,174,629.90 = 546,890.60 : x
  2. Step 2: Convert to fraction form
    783,086.60/1,174,629.90 = 546,890.60/x
  3. Step 3: Cross multiply
    783,086.60x = 1,174,629.90 × 546,890.60
  4. Step 4: Simplify right side
    783,086.60x = 642,394,050,788.94
  5. Step 5: Solve for x
    x = 642,394,050,788.94/783,086.60
  6. Step 6: Final answer
    x = 820,335.90

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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.