Home / 826,622.60-1,239,933.90-353,355.80

Finding the Fourth Proportional to 826,622.60, 1,239,933.90 and 353,355.80

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Solution

The fourth proportional to 826,622.60, 1,239,933.90 and 353,355.80 is: 530,033.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,622.60 : 1,239,933.90 = 353,355.80 : x
  2. Step 2: Convert to fraction form
    826,622.60/1,239,933.90 = 353,355.80/x
  3. Step 3: Cross multiply
    826,622.60x = 1,239,933.90 × 353,355.80
  4. Step 4: Simplify right side
    826,622.60x = 438,137,835,181.62
  5. Step 5: Solve for x
    x = 438,137,835,181.62/826,622.60
  6. Step 6: Final answer
    x = 530,033.70

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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.