Home / 645,542.75-968,312.49-196,261.67

Finding the Fourth Proportional to 645,542.75, 968,312.49 and 196,261.67

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Solution

The fourth proportional to 645,542.75, 968,312.49 and 196,261.67 is: 294,392.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,542.75 : 968,312.49 = 196,261.67 : x
  2. Step 2: Convert to fraction form
    645,542.75/968,312.49 = 196,261.67/x
  3. Step 3: Cross multiply
    645,542.75x = 968,312.49 × 196,261.67
  4. Step 4: Simplify right side
    645,542.75x = 190,042,621,527.70
  5. Step 5: Solve for x
    x = 190,042,621,527.70/645,542.75
  6. Step 6: Final answer
    x = 294,392.00

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Double scale
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Similar ratio
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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.