Home / 645,532.32-968,263.42-196,218.17

Finding the Fourth Proportional to 645,532.32, 968,263.42 and 196,218.17

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Solution

The fourth proportional to 645,532.32, 968,263.42 and 196,218.17 is: 294,316.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,532.32 : 968,263.42 = 196,218.17 : x
  2. Step 2: Convert to fraction form
    645,532.32/968,263.42 = 196,218.17/x
  3. Step 3: Cross multiply
    645,532.32x = 968,263.42 × 196,218.17
  4. Step 4: Simplify right side
    645,532.32x = 189,990,876,350.34
  5. Step 5: Solve for x
    x = 189,990,876,350.34/645,532.32
  6. Step 6: Final answer
    x = 294,316.60

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Double scale
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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.