Home / 631,818.20-947,777.16-211,095.56

Finding the Fourth Proportional to 631,818.20, 947,777.16 and 211,095.56

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Solution

The fourth proportional to 631,818.20, 947,777.16 and 211,095.56 is: 316,660.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,818.20 : 947,777.16 = 211,095.56 : x
  2. Step 2: Convert to fraction form
    631,818.20/947,777.16 = 211,095.56/x
  3. Step 3: Cross multiply
    631,818.20x = 947,777.16 × 211,095.56
  4. Step 4: Simplify right side
    631,818.20x = 200,071,550,345.41
  5. Step 5: Solve for x
    x = 200,071,550,345.41/631,818.20
  6. Step 6: Final answer
    x = 316,660.00

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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.