Home / 631,849.56-947,823.30-211,126.92

Finding the Fourth Proportional to 631,849.56, 947,823.30 and 211,126.92

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Solution

The fourth proportional to 631,849.56, 947,823.30 and 211,126.92 is: 316,706.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,849.56 : 947,823.30 = 211,126.92 : x
  2. Step 2: Convert to fraction form
    631,849.56/947,823.30 = 211,126.92/x
  3. Step 3: Cross multiply
    631,849.56x = 947,823.30 × 211,126.92
  4. Step 4: Simplify right side
    631,849.56x = 200,111,014,033.24
  5. Step 5: Solve for x
    x = 200,111,014,033.24/631,849.56
  6. Step 6: Final answer
    x = 316,706.74

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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.