Home / 460,017.88-689,793.46-210,486.04

Finding the Fourth Proportional to 460,017.88, 689,793.46 and 210,486.04

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Solution

The fourth proportional to 460,017.88, 689,793.46 and 210,486.04 is: 315,622.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,017.88 : 689,793.46 = 210,486.04 : x
  2. Step 2: Convert to fraction form
    460,017.88/689,793.46 = 210,486.04/x
  3. Step 3: Cross multiply
    460,017.88x = 689,793.46 × 210,486.04
  4. Step 4: Simplify right side
    460,017.88x = 145,191,893,813.30
  5. Step 5: Solve for x
    x = 145,191,893,813.30/460,017.88
  6. Step 6: Final answer
    x = 315,622.28

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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.