Home / 631,863.76-947,795.62-252,955.06

Finding the Fourth Proportional to 631,863.76, 947,795.62 and 252,955.06

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Solution

The fourth proportional to 631,863.76, 947,795.62 and 252,955.06 is: 379,432.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,863.76 : 947,795.62 = 252,955.06 : x
  2. Step 2: Convert to fraction form
    631,863.76/947,795.62 = 252,955.06/x
  3. Step 3: Cross multiply
    631,863.76x = 947,795.62 × 252,955.06
  4. Step 4: Simplify right side
    631,863.76x = 239,749,697,924.84
  5. Step 5: Solve for x
    x = 239,749,697,924.84/631,863.76
  6. Step 6: Final answer
    x = 379,432.58

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Double scale
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Similar ratio
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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.