Home / 645,948.68-968,959.46-196,684.20

Finding the Fourth Proportional to 645,948.68, 968,959.46 and 196,684.20

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Solution

The fourth proportional to 645,948.68, 968,959.46 and 196,684.20 is: 295,037.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,948.68 : 968,959.46 = 196,684.20 : x
  2. Step 2: Convert to fraction form
    645,948.68/968,959.46 = 196,684.20/x
  3. Step 3: Cross multiply
    645,948.68x = 968,959.46 × 196,684.20
  4. Step 4: Simplify right side
    645,948.68x = 190,579,016,714.24
  5. Step 5: Solve for x
    x = 190,579,016,714.24/645,948.68
  6. Step 6: Final answer
    x = 295,037.40

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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.