Home / 695,043.12-1,042,650.54-245,671.32

Finding the Fourth Proportional to 695,043.12, 1,042,650.54 and 245,671.32

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Solution

The fourth proportional to 695,043.12, 1,042,650.54 and 245,671.32 is: 368,537.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,043.12 : 1,042,650.54 = 245,671.32 : x
  2. Step 2: Convert to fraction form
    695,043.12/1,042,650.54 = 245,671.32/x
  3. Step 3: Cross multiply
    695,043.12x = 1,042,650.54 × 245,671.32
  4. Step 4: Simplify right side
    695,043.12x = 256,149,334,460.51
  5. Step 5: Solve for x
    x = 256,149,334,460.51/695,043.12
  6. Step 6: Final answer
    x = 368,537.33

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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.