Home / 386,613.03-580,002.96-116,718.77

Finding the Fourth Proportional to 386,613.03, 580,002.96 and 116,718.77

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Solution

The fourth proportional to 386,613.03, 580,002.96 and 116,718.77 is: 175,103.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,613.03 : 580,002.96 = 116,718.77 : x
  2. Step 2: Convert to fraction form
    386,613.03/580,002.96 = 116,718.77/x
  3. Step 3: Cross multiply
    386,613.03x = 580,002.96 × 116,718.77
  4. Step 4: Simplify right side
    386,613.03x = 67,697,233,975.26
  5. Step 5: Solve for x
    x = 67,697,233,975.26/386,613.03
  6. Step 6: Final answer
    x = 175,103.34

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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.