Home / 645,543.24-968,313.24-196,262.16

Finding the Fourth Proportional to 645,543.24, 968,313.24 and 196,262.16

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Solution

The fourth proportional to 645,543.24, 968,313.24 and 196,262.16 is: 294,392.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,543.24 : 968,313.24 = 196,262.16 : x
  2. Step 2: Convert to fraction form
    645,543.24/968,313.24 = 196,262.16/x
  3. Step 3: Cross multiply
    645,543.24x = 968,313.24 × 196,262.16
  4. Step 4: Simplify right side
    645,543.24x = 190,043,248,039.00
  5. Step 5: Solve for x
    x = 190,043,248,039.00/645,543.24
  6. Step 6: Final answer
    x = 294,392.75

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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.