Home / 1,938,375.54-2,907,562.64-518,394.74

Finding the Fourth Proportional to 1,938,375.54, 2,907,562.64 and 518,394.74

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Solution

The fourth proportional to 1,938,375.54, 2,907,562.64 and 518,394.74 is: 777,591.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,375.54 : 2,907,562.64 = 518,394.74 : x
  2. Step 2: Convert to fraction form
    1,938,375.54/2,907,562.64 = 518,394.74/x
  3. Step 3: Cross multiply
    1,938,375.54x = 2,907,562.64 × 518,394.74
  4. Step 4: Simplify right side
    1,938,375.54x = 1,507,265,161,666.73
  5. Step 5: Solve for x
    x = 1,507,265,161,666.73/1,938,375.54
  6. Step 6: Final answer
    x = 777,591.92

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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.