Home / 1,938,056.75-2,906,863.31-518,223.55

Finding the Fourth Proportional to 1,938,056.75, 2,906,863.31 and 518,223.55

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Solution

The fourth proportional to 1,938,056.75, 2,906,863.31 and 518,223.55 is: 777,276.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,056.75 : 2,906,863.31 = 518,223.55 : x
  2. Step 2: Convert to fraction form
    1,938,056.75/2,906,863.31 = 518,223.55/x
  3. Step 3: Cross multiply
    1,938,056.75x = 2,906,863.31 × 518,223.55
  4. Step 4: Simplify right side
    1,938,056.75x = 1,506,405,008,173.41
  5. Step 5: Solve for x
    x = 1,506,405,008,173.41/1,938,056.75
  6. Step 6: Final answer
    x = 777,276.00

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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.