Home / 621,079.56-931,567.34-171,805.96

Finding the Fourth Proportional to 621,079.56, 931,567.34 and 171,805.96

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Solution

The fourth proportional to 621,079.56, 931,567.34 and 171,805.96 is: 257,694.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,079.56 : 931,567.34 = 171,805.96 : x
  2. Step 2: Convert to fraction form
    621,079.56/931,567.34 = 171,805.96/x
  3. Step 3: Cross multiply
    621,079.56x = 931,567.34 × 171,805.96
  4. Step 4: Simplify right side
    621,079.56x = 160,048,821,153.35
  5. Step 5: Solve for x
    x = 160,048,821,153.35/621,079.56
  6. Step 6: Final answer
    x = 257,694.56

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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.