Home / 1,938,257.40-2,907,515.70-658,846.20

Finding the Fourth Proportional to 1,938,257.40, 2,907,515.70 and 658,846.20

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Solution

The fourth proportional to 1,938,257.40, 2,907,515.70 and 658,846.20 is: 988,313.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,257.40 : 2,907,515.70 = 658,846.20 : x
  2. Step 2: Convert to fraction form
    1,938,257.40/2,907,515.70 = 658,846.20/x
  3. Step 3: Cross multiply
    1,938,257.40x = 2,907,515.70 × 658,846.20
  4. Step 4: Simplify right side
    1,938,257.40x = 1,915,605,670,385.34
  5. Step 5: Solve for x
    x = 1,915,605,670,385.34/1,938,257.40
  6. Step 6: Final answer
    x = 988,313.35

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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.