Home / 743,212.68-1,114,842.16-353,633.72

Finding the Fourth Proportional to 743,212.68, 1,114,842.16 and 353,633.72

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Solution

The fourth proportional to 743,212.68, 1,114,842.16 and 353,633.72 is: 530,461.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,212.68 : 1,114,842.16 = 353,633.72 : x
  2. Step 2: Convert to fraction form
    743,212.68/1,114,842.16 = 353,633.72/x
  3. Step 3: Cross multiply
    743,212.68x = 1,114,842.16 × 353,633.72
  4. Step 4: Simplify right side
    743,212.68x = 394,245,780,253.64
  5. Step 5: Solve for x
    x = 394,245,780,253.64/743,212.68
  6. Step 6: Final answer
    x = 530,461.59

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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.