Home / 631,816.20-947,774.16-211,093.56

Finding the Fourth Proportional to 631,816.20, 947,774.16 and 211,093.56

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Solution

The fourth proportional to 631,816.20, 947,774.16 and 211,093.56 is: 316,657.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,816.20 : 947,774.16 = 211,093.56 : x
  2. Step 2: Convert to fraction form
    631,816.20/947,774.16 = 211,093.56/x
  3. Step 3: Cross multiply
    631,816.20x = 947,774.16 × 211,093.56
  4. Step 4: Simplify right side
    631,816.20x = 200,069,021,510.41
  5. Step 5: Solve for x
    x = 200,069,021,510.41/631,816.20
  6. Step 6: Final answer
    x = 316,657.00

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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.