Home / 700,668.15-1,050,185.67-321,628.92

Finding the Fourth Proportional to 700,668.15, 1,050,185.67 and 321,628.92

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Solution

The fourth proportional to 700,668.15, 1,050,185.67 and 321,628.92 is: 482,068.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,668.15 : 1,050,185.67 = 321,628.92 : x
  2. Step 2: Convert to fraction form
    700,668.15/1,050,185.67 = 321,628.92/x
  3. Step 3: Cross multiply
    700,668.15x = 1,050,185.67 × 321,628.92
  4. Step 4: Simplify right side
    700,668.15x = 337,770,082,841.58
  5. Step 5: Solve for x
    x = 337,770,082,841.58/700,668.15
  6. Step 6: Final answer
    x = 482,068.56

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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.