Home / 631,837.56-947,805.30-211,114.92

Finding the Fourth Proportional to 631,837.56, 947,805.30 and 211,114.92

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Solution

The fourth proportional to 631,837.56, 947,805.30 and 211,114.92 is: 316,688.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,837.56 : 947,805.30 = 211,114.92 : x
  2. Step 2: Convert to fraction form
    631,837.56/947,805.30 = 211,114.92/x
  3. Step 3: Cross multiply
    631,837.56x = 947,805.30 × 211,114.92
  4. Step 4: Simplify right side
    631,837.56x = 200,095,840,085.08
  5. Step 5: Solve for x
    x = 200,095,840,085.08/631,837.56
  6. Step 6: Final answer
    x = 316,688.74

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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.