Home / 472,613.22-652,222.08-257,765.04

Finding the Fourth Proportional to 472,613.22, 652,222.08 and 257,765.04

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Solution

The fourth proportional to 472,613.22, 652,222.08 and 257,765.04 is: 355,724.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,613.22 : 652,222.08 = 257,765.04 : x
  2. Step 2: Convert to fraction form
    472,613.22/652,222.08 = 257,765.04/x
  3. Step 3: Cross multiply
    472,613.22x = 652,222.08 × 257,765.04
  4. Step 4: Simplify right side
    472,613.22x = 168,120,050,540.08
  5. Step 5: Solve for x
    x = 168,120,050,540.08/472,613.22
  6. Step 6: Final answer
    x = 355,724.39

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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.