Home / 979,693.56-1,351,971.80-549,973.57

Finding the Fourth Proportional to 979,693.56, 1,351,971.80 and 549,973.57

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Solution

The fourth proportional to 979,693.56, 1,351,971.80 and 549,973.57 is: 758,960.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,693.56 : 1,351,971.80 = 549,973.57 : x
  2. Step 2: Convert to fraction form
    979,693.56/1,351,971.80 = 549,973.57/x
  3. Step 3: Cross multiply
    979,693.56x = 1,351,971.80 × 549,973.57
  4. Step 4: Simplify right side
    979,693.56x = 743,548,757,385.33
  5. Step 5: Solve for x
    x = 743,548,757,385.33/979,693.56
  6. Step 6: Final answer
    x = 758,960.54

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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.