Home / 451,503.47-623,086.67-255,254.33

Finding the Fourth Proportional to 451,503.47, 623,086.67 and 255,254.33

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Solution

The fourth proportional to 451,503.47, 623,086.67 and 255,254.33 is: 352,257.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,503.47 : 623,086.67 = 255,254.33 : x
  2. Step 2: Convert to fraction form
    451,503.47/623,086.67 = 255,254.33/x
  3. Step 3: Cross multiply
    451,503.47x = 623,086.67 × 255,254.33
  4. Step 4: Simplify right side
    451,503.47x = 159,045,568,005.48
  5. Step 5: Solve for x
    x = 159,045,568,005.48/451,503.47
  6. Step 6: Final answer
    x = 352,257.69

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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.