Home / 631,851.50-947,943.21-227,084.56

Finding the Fourth Proportional to 631,851.50, 947,943.21 and 227,084.56

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Solution

The fourth proportional to 631,851.50, 947,943.21 and 227,084.56 is: 340,686.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,851.50 : 947,943.21 = 227,084.56 : x
  2. Step 2: Convert to fraction form
    631,851.50/947,943.21 = 227,084.56/x
  3. Step 3: Cross multiply
    631,851.50x = 947,943.21 × 227,084.56
  4. Step 4: Simplify right side
    631,851.50x = 215,263,266,747.84
  5. Step 5: Solve for x
    x = 215,263,266,747.84/631,851.50
  6. Step 6: Final answer
    x = 340,686.49

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Double scale
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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.