Home / 739,199.46-1,108,869.21-206,720.40

Finding the Fourth Proportional to 739,199.46, 1,108,869.21 and 206,720.40

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Solution

The fourth proportional to 739,199.46, 1,108,869.21 and 206,720.40 is: 310,100.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,199.46 : 1,108,869.21 = 206,720.40 : x
  2. Step 2: Convert to fraction form
    739,199.46/1,108,869.21 = 206,720.40/x
  3. Step 3: Cross multiply
    739,199.46x = 1,108,869.21 × 206,720.40
  4. Step 4: Simplify right side
    739,199.46x = 229,225,886,638.88
  5. Step 5: Solve for x
    x = 229,225,886,638.88/739,199.46
  6. Step 6: Final answer
    x = 310,100.18

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1.5x scale

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.