Home / 853,756.84-1,280,635.08-222,668.92

Finding the Fourth Proportional to 853,756.84, 1,280,635.08 and 222,668.92

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Solution

The fourth proportional to 853,756.84, 1,280,635.08 and 222,668.92 is: 334,003.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,756.84 : 1,280,635.08 = 222,668.92 : x
  2. Step 2: Convert to fraction form
    853,756.84/1,280,635.08 = 222,668.92/x
  3. Step 3: Cross multiply
    853,756.84x = 1,280,635.08 × 222,668.92
  4. Step 4: Simplify right side
    853,756.84x = 285,157,630,177.71
  5. Step 5: Solve for x
    x = 285,157,630,177.71/853,756.84
  6. Step 6: Final answer
    x = 334,003.33

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1.5x scale

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.