Home / 1,938,090.24-2,906,913.92-518,257.04

Finding the Fourth Proportional to 1,938,090.24, 2,906,913.92 and 518,257.04

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Solution

The fourth proportional to 1,938,090.24, 2,906,913.92 and 518,257.04 is: 777,326.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,090.24 : 2,906,913.92 = 518,257.04 : x
  2. Step 2: Convert to fraction form
    1,938,090.24/2,906,913.92 = 518,257.04/x
  3. Step 3: Cross multiply
    1,938,090.24x = 2,906,913.92 × 518,257.04
  4. Step 4: Simplify right side
    1,938,090.24x = 1,506,528,603,714.00
  5. Step 5: Solve for x
    x = 1,506,528,603,714.00/1,938,090.24
  6. Step 6: Final answer
    x = 777,326.35

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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.