Home / 1,779,201.80-2,669,148.30-768,321.80

Finding the Fourth Proportional to 1,779,201.80, 2,669,148.30 and 768,321.80

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Solution

The fourth proportional to 1,779,201.80, 2,669,148.30 and 768,321.80 is: 1,152,631.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,201.80 : 2,669,148.30 = 768,321.80 : x
  2. Step 2: Convert to fraction form
    1,779,201.80/2,669,148.30 = 768,321.80/x
  3. Step 3: Cross multiply
    1,779,201.80x = 2,669,148.30 × 768,321.80
  4. Step 4: Simplify right side
    1,779,201.80x = 2,050,764,826,322.94
  5. Step 5: Solve for x
    x = 2,050,764,826,322.94/1,779,201.80
  6. Step 6: Final answer
    x = 1,152,631.94

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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.