Home / 631,440.29-947,534.20-232,361.39

Finding the Fourth Proportional to 631,440.29, 947,534.20 and 232,361.39

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Solution

The fourth proportional to 631,440.29, 947,534.20 and 232,361.39 is: 348,679.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,440.29 : 947,534.20 = 232,361.39 : x
  2. Step 2: Convert to fraction form
    631,440.29/947,534.20 = 232,361.39/x
  3. Step 3: Cross multiply
    631,440.29x = 947,534.20 × 232,361.39
  4. Step 4: Simplify right side
    631,440.29x = 220,170,357,885.06
  5. Step 5: Solve for x
    x = 220,170,357,885.06/631,440.29
  6. Step 6: Final answer
    x = 348,679.62

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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.