Home / 451,238.04-622,725.81-257,677.32

Finding the Fourth Proportional to 451,238.04, 622,725.81 and 257,677.32

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Solution

The fourth proportional to 451,238.04, 622,725.81 and 257,677.32 is: 355,604.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,238.04 : 622,725.81 = 257,677.32 : x
  2. Step 2: Convert to fraction form
    451,238.04/622,725.81 = 257,677.32/x
  3. Step 3: Cross multiply
    451,238.04x = 622,725.81 × 257,677.32
  4. Step 4: Simplify right side
    451,238.04x = 160,462,317,815.63
  5. Step 5: Solve for x
    x = 160,462,317,815.63/451,238.04
  6. Step 6: Final answer
    x = 355,604.59

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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.