Home / 646,622.24-969,933.27-197,345.42

Finding the Fourth Proportional to 646,622.24, 969,933.27 and 197,345.42

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Solution

The fourth proportional to 646,622.24, 969,933.27 and 197,345.42 is: 296,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,622.24 : 969,933.27 = 197,345.42 : x
  2. Step 2: Convert to fraction form
    646,622.24/969,933.27 = 197,345.42/x
  3. Step 3: Cross multiply
    646,622.24x = 969,933.27 × 197,345.42
  4. Step 4: Simplify right side
    646,622.24x = 191,411,888,540.12
  5. Step 5: Solve for x
    x = 191,411,888,540.12/646,622.24
  6. Step 6: Final answer
    x = 296,018.10

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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.