Home / 645,515.60-968,280.44-196,309.52

Finding the Fourth Proportional to 645,515.60, 968,280.44 and 196,309.52

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Solution

The fourth proportional to 645,515.60, 968,280.44 and 196,309.52 is: 294,466.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,515.60 : 968,280.44 = 196,309.52 : x
  2. Step 2: Convert to fraction form
    645,515.60/968,280.44 = 196,309.52/x
  3. Step 3: Cross multiply
    645,515.60x = 968,280.44 × 196,309.52
  4. Step 4: Simplify right side
    645,515.60x = 190,082,668,401.79
  5. Step 5: Solve for x
    x = 190,082,668,401.79/645,515.60
  6. Step 6: Final answer
    x = 294,466.42

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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.