Home / 451,514.34-623,101.68-255,265.20

Finding the Fourth Proportional to 451,514.34, 623,101.68 and 255,265.20

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Solution

The fourth proportional to 451,514.34, 623,101.68 and 255,265.20 is: 352,272.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,514.34 : 623,101.68 = 255,265.20 : x
  2. Step 2: Convert to fraction form
    451,514.34/623,101.68 = 255,265.20/x
  3. Step 3: Cross multiply
    451,514.34x = 623,101.68 × 255,265.20
  4. Step 4: Simplify right side
    451,514.34x = 159,056,174,965.54
  5. Step 5: Solve for x
    x = 159,056,174,965.54/451,514.34
  6. Step 6: Final answer
    x = 352,272.70

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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.