Home / 645,334.49-968,003.56-196,059.08

Finding the Fourth Proportional to 645,334.49, 968,003.56 and 196,059.08

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Solution

The fourth proportional to 645,334.49, 968,003.56 and 196,059.08 is: 294,089.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,334.49 : 968,003.56 = 196,059.08 : x
  2. Step 2: Convert to fraction form
    645,334.49/968,003.56 = 196,059.08/x
  3. Step 3: Cross multiply
    645,334.49x = 968,003.56 × 196,059.08
  4. Step 4: Simplify right side
    645,334.49x = 189,785,890,075.41
  5. Step 5: Solve for x
    x = 189,785,890,075.41/645,334.49
  6. Step 6: Final answer
    x = 294,089.18

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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.