Home / 951,065.78-1,424,232.11-665,419.95

Finding the Fourth Proportional to 951,065.78, 1,424,232.11 and 665,419.95

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Solution

The fourth proportional to 951,065.78, 1,424,232.11 and 665,419.95 is: 996,474.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,065.78 : 1,424,232.11 = 665,419.95 : x
  2. Step 2: Convert to fraction form
    951,065.78/1,424,232.11 = 665,419.95/x
  3. Step 3: Cross multiply
    951,065.78x = 1,424,232.11 × 665,419.95
  4. Step 4: Simplify right side
    951,065.78x = 947,712,461,088.14
  5. Step 5: Solve for x
    x = 947,712,461,088.14/951,065.78
  6. Step 6: Final answer
    x = 996,474.15

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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.