Home / 1,907,390.71-2,860,515.40-627,761.98

Finding the Fourth Proportional to 1,907,390.71, 2,860,515.40 and 627,761.98

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Solution

The fourth proportional to 1,907,390.71, 2,860,515.40 and 627,761.98 is: 941,455.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,390.71 : 2,860,515.40 = 627,761.98 : x
  2. Step 2: Convert to fraction form
    1,907,390.71/2,860,515.40 = 627,761.98/x
  3. Step 3: Cross multiply
    1,907,390.71x = 2,860,515.40 × 627,761.98
  4. Step 4: Simplify right side
    1,907,390.71x = 1,795,722,811,324.49
  5. Step 5: Solve for x
    x = 1,795,722,811,324.49/1,907,390.71
  6. Step 6: Final answer
    x = 941,455.15

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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.