Home / 645,543.75-968,313.99-196,262.67

Finding the Fourth Proportional to 645,543.75, 968,313.99 and 196,262.67

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Solution

The fourth proportional to 645,543.75, 968,313.99 and 196,262.67 is: 294,393.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,543.75 : 968,313.99 = 196,262.67 : x
  2. Step 2: Convert to fraction form
    645,543.75/968,313.99 = 196,262.67/x
  3. Step 3: Cross multiply
    645,543.75x = 968,313.99 × 196,262.67
  4. Step 4: Simplify right side
    645,543.75x = 190,043,889,075.75
  5. Step 5: Solve for x
    x = 190,043,889,075.75/645,543.75
  6. Step 6: Final answer
    x = 294,393.51

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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.