Home / 6,439,999.70-9,659,999.55-4,833,866.90

Finding the Fourth Proportional to 6,439,999.70, 9,659,999.55 and 4,833,866.90

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Solution

The fourth proportional to 6,439,999.70, 9,659,999.55 and 4,833,866.90 is: 7,250,800.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,999.70 : 9,659,999.55 = 4,833,866.90 : x
  2. Step 2: Convert to fraction form
    6,439,999.70/9,659,999.55 = 4,833,866.90/x
  3. Step 3: Cross multiply
    6,439,999.70x = 9,659,999.55 × 4,833,866.90
  4. Step 4: Simplify right side
    6,439,999.70x = 46,695,152,078,759.90
  5. Step 5: Solve for x
    x = 46,695,152,078,759.90/6,439,999.70
  6. Step 6: Final answer
    x = 7,250,800.35

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Similar ratio
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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.