Home / 631,140.85-946,844.29-204,643.43

Finding the Fourth Proportional to 631,140.85, 946,844.29 and 204,643.43

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Solution

The fourth proportional to 631,140.85, 946,844.29 and 204,643.43 is: 307,008.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,140.85 : 946,844.29 = 204,643.43 : x
  2. Step 2: Convert to fraction form
    631,140.85/946,844.29 = 204,643.43/x
  3. Step 3: Cross multiply
    631,140.85x = 946,844.29 × 204,643.43
  4. Step 4: Simplify right side
    631,140.85x = 193,765,461,486.35
  5. Step 5: Solve for x
    x = 193,765,461,486.35/631,140.85
  6. Step 6: Final answer
    x = 307,008.27

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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.