Home / 943,486.88-1,416,215.28-831,892.64

Finding the Fourth Proportional to 943,486.88, 1,416,215.28 and 831,892.64

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Solution

The fourth proportional to 943,486.88, 1,416,215.28 and 831,892.64 is: 1,248,707.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,486.88 : 1,416,215.28 = 831,892.64 : x
  2. Step 2: Convert to fraction form
    943,486.88/1,416,215.28 = 831,892.64/x
  3. Step 3: Cross multiply
    943,486.88x = 1,416,215.28 × 831,892.64
  4. Step 4: Simplify right side
    943,486.88x = 1,178,139,068,087.54
  5. Step 5: Solve for x
    x = 1,178,139,068,087.54/943,486.88
  6. Step 6: Final answer
    x = 1,248,707.42

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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.