Home / 455,440.20-682,722.90-354,182.10

Finding the Fourth Proportional to 455,440.20, 682,722.90 and 354,182.10

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Solution

The fourth proportional to 455,440.20, 682,722.90 and 354,182.10 is: 530,933.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,440.20 : 682,722.90 = 354,182.10 : x
  2. Step 2: Convert to fraction form
    455,440.20/682,722.90 = 354,182.10/x
  3. Step 3: Cross multiply
    455,440.20x = 682,722.90 × 354,182.10
  4. Step 4: Simplify right side
    455,440.20x = 241,808,230,440.09
  5. Step 5: Solve for x
    x = 241,808,230,440.09/455,440.20
  6. Step 6: Final answer
    x = 530,933.00

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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.