Home / 631,864.06-947,845.06-211,141.42

Finding the Fourth Proportional to 631,864.06, 947,845.06 and 211,141.42

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Solution

The fourth proportional to 631,864.06, 947,845.06 and 211,141.42 is: 316,728.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,864.06 : 947,845.06 = 211,141.42 : x
  2. Step 2: Convert to fraction form
    631,864.06/947,845.06 = 211,141.42/x
  3. Step 3: Cross multiply
    631,864.06x = 947,845.06 × 211,141.42
  4. Step 4: Simplify right side
    631,864.06x = 200,129,351,908.39
  5. Step 5: Solve for x
    x = 200,129,351,908.39/631,864.06
  6. Step 6: Final answer
    x = 316,728.49

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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.