Home / 631,900.14-947,850.28-211,176.02

Finding the Fourth Proportional to 631,900.14, 947,850.28 and 211,176.02

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Solution

The fourth proportional to 631,900.14, 947,850.28 and 211,176.02 is: 316,764.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,900.14 : 947,850.28 = 211,176.02 : x
  2. Step 2: Convert to fraction form
    631,900.14/947,850.28 = 211,176.02/x
  3. Step 3: Cross multiply
    631,900.14x = 947,850.28 × 211,176.02
  4. Step 4: Simplify right side
    631,900.14x = 200,163,249,686.29
  5. Step 5: Solve for x
    x = 200,163,249,686.29/631,900.14
  6. Step 6: Final answer
    x = 316,764.05

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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.