Home / 455,922.30-684,080.25-245,518.32

Finding the Fourth Proportional to 455,922.30, 684,080.25 and 245,518.32

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Solution

The fourth proportional to 455,922.30, 684,080.25 and 245,518.32 is: 368,383.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,922.30 : 684,080.25 = 245,518.32 : x
  2. Step 2: Convert to fraction form
    455,922.30/684,080.25 = 245,518.32/x
  3. Step 3: Cross multiply
    455,922.30x = 684,080.25 × 245,518.32
  4. Step 4: Simplify right side
    455,922.30x = 167,954,233,725.18
  5. Step 5: Solve for x
    x = 167,954,233,725.18/455,922.30
  6. Step 6: Final answer
    x = 368,383.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.