Home / 468,040.20-702,060.30-389,308.20

Finding the Fourth Proportional to 468,040.20, 702,060.30 and 389,308.20

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Solution

The fourth proportional to 468,040.20, 702,060.30 and 389,308.20 is: 583,962.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,040.20 : 702,060.30 = 389,308.20 : x
  2. Step 2: Convert to fraction form
    468,040.20/702,060.30 = 389,308.20/x
  3. Step 3: Cross multiply
    468,040.20x = 702,060.30 × 389,308.20
  4. Step 4: Simplify right side
    468,040.20x = 273,317,831,684.46
  5. Step 5: Solve for x
    x = 273,317,831,684.46/468,040.20
  6. Step 6: Final answer
    x = 583,962.30

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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.