Home / 646,983.60-970,621.20-197,725.20

Finding the Fourth Proportional to 646,983.60, 970,621.20 and 197,725.20

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Solution

The fourth proportional to 646,983.60, 970,621.20 and 197,725.20 is: 296,632.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,983.60 : 970,621.20 = 197,725.20 : x
  2. Step 2: Convert to fraction form
    646,983.60/970,621.20 = 197,725.20/x
  3. Step 3: Cross multiply
    646,983.60x = 970,621.20 × 197,725.20
  4. Step 4: Simplify right side
    646,983.60x = 191,916,270,894.24
  5. Step 5: Solve for x
    x = 191,916,270,894.24/646,983.60
  6. Step 6: Final answer
    x = 296,632.36

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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.