Home / 645,901.20-968,740.02-196,513.20

Finding the Fourth Proportional to 645,901.20, 968,740.02 and 196,513.20

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Solution

The fourth proportional to 645,901.20, 968,740.02 and 196,513.20 is: 294,735.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,901.20 : 968,740.02 = 196,513.20 : x
  2. Step 2: Convert to fraction form
    645,901.20/968,740.02 = 196,513.20/x
  3. Step 3: Cross multiply
    645,901.20x = 968,740.02 × 196,513.20
  4. Step 4: Simplify right side
    645,901.20x = 190,370,201,298.26
  5. Step 5: Solve for x
    x = 190,370,201,298.26/645,901.20
  6. Step 6: Final answer
    x = 294,735.79

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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.