Home / 1,191,779.12-1,644,687.60-647,951.48

Finding the Fourth Proportional to 1,191,779.12, 1,644,687.60 and 647,951.48

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Solution

The fourth proportional to 1,191,779.12, 1,644,687.60 and 647,951.48 is: 894,190.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,779.12 : 1,644,687.60 = 647,951.48 : x
  2. Step 2: Convert to fraction form
    1,191,779.12/1,644,687.60 = 647,951.48/x
  3. Step 3: Cross multiply
    1,191,779.12x = 1,644,687.60 × 647,951.48
  4. Step 4: Simplify right side
    1,191,779.12x = 1,065,677,764,557.65
  5. Step 5: Solve for x
    x = 1,065,677,764,557.65/1,191,779.12
  6. Step 6: Final answer
    x = 894,190.67

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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.