Home / 1,151,999.80-1,727,999.70-353,404.60

Finding the Fourth Proportional to 1,151,999.80, 1,727,999.70 and 353,404.60

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Solution

The fourth proportional to 1,151,999.80, 1,727,999.70 and 353,404.60 is: 530,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,999.80 : 1,727,999.70 = 353,404.60 : x
  2. Step 2: Convert to fraction form
    1,151,999.80/1,727,999.70 = 353,404.60/x
  3. Step 3: Cross multiply
    1,151,999.80x = 1,727,999.70 × 353,404.60
  4. Step 4: Simplify right side
    1,151,999.80x = 610,683,042,778.62
  5. Step 5: Solve for x
    x = 610,683,042,778.62/1,151,999.80
  6. Step 6: Final answer
    x = 530,106.90

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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.