Home / 850,586.33-1,173,020.70-620,779.62

Finding the Fourth Proportional to 850,586.33, 1,173,020.70 and 620,779.62

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Solution

The fourth proportional to 850,586.33, 1,173,020.70 and 620,779.62 is: 856,100.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,586.33 : 1,173,020.70 = 620,779.62 : x
  2. Step 2: Convert to fraction form
    850,586.33/1,173,020.70 = 620,779.62/x
  3. Step 3: Cross multiply
    850,586.33x = 1,173,020.70 × 620,779.62
  4. Step 4: Simplify right side
    850,586.33x = 728,187,351,124.89
  5. Step 5: Solve for x
    x = 728,187,351,124.89/850,586.33
  6. Step 6: Final answer
    x = 856,100.46

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1.5x scale

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.