Home / 646,725.10-970,233.45-197,466.70

Finding the Fourth Proportional to 646,725.10, 970,233.45 and 197,466.70

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Solution

The fourth proportional to 646,725.10, 970,233.45 and 197,466.70 is: 296,244.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,725.10 : 970,233.45 = 197,466.70 : x
  2. Step 2: Convert to fraction form
    646,725.10/970,233.45 = 197,466.70/x
  3. Step 3: Cross multiply
    646,725.10x = 970,233.45 × 197,466.70
  4. Step 4: Simplify right side
    646,725.10x = 191,588,797,601.12
  5. Step 5: Solve for x
    x = 191,588,797,601.12/646,725.10
  6. Step 6: Final answer
    x = 296,244.57

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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.