Home / 451,428.04-622,540.92-270,111.16

Finding the Fourth Proportional to 451,428.04, 622,540.92 and 270,111.16

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Solution

The fourth proportional to 451,428.04, 622,540.92 and 270,111.16 is: 372,496.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,428.04 : 622,540.92 = 270,111.16 : x
  2. Step 2: Convert to fraction form
    451,428.04/622,540.92 = 270,111.16/x
  3. Step 3: Cross multiply
    451,428.04x = 622,540.92 × 270,111.16
  4. Step 4: Simplify right side
    451,428.04x = 168,155,250,048.67
  5. Step 5: Solve for x
    x = 168,155,250,048.67/451,428.04
  6. Step 6: Final answer
    x = 372,496.25

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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.