Home / 645,560.02-968,394.23-196,284.78

Finding the Fourth Proportional to 645,560.02, 968,394.23 and 196,284.78

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Solution

The fourth proportional to 645,560.02, 968,394.23 and 196,284.78 is: 294,443.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,560.02 : 968,394.23 = 196,284.78 : x
  2. Step 2: Convert to fraction form
    645,560.02/968,394.23 = 196,284.78/x
  3. Step 3: Cross multiply
    645,560.02x = 968,394.23 × 196,284.78
  4. Step 4: Simplify right side
    645,560.02x = 190,081,049,247.57
  5. Step 5: Solve for x
    x = 190,081,049,247.57/645,560.02
  6. Step 6: Final answer
    x = 294,443.65

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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.