Home / 1,203,861.53-1,661,328.50-659,985.65

Finding the Fourth Proportional to 1,203,861.53, 1,661,328.50 and 659,985.65

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Solution

The fourth proportional to 1,203,861.53, 1,661,328.50 and 659,985.65 is: 910,779.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,861.53 : 1,661,328.50 = 659,985.65 : x
  2. Step 2: Convert to fraction form
    1,203,861.53/1,661,328.50 = 659,985.65/x
  3. Step 3: Cross multiply
    1,203,861.53x = 1,661,328.50 × 659,985.65
  4. Step 4: Simplify right side
    1,203,861.53x = 1,096,452,969,936.03
  5. Step 5: Solve for x
    x = 1,096,452,969,936.03/1,203,861.53
  6. Step 6: Final answer
    x = 910,779.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.