Home / 403,826.40-557,272.80-234,076.32

Finding the Fourth Proportional to 403,826.40, 557,272.80 and 234,076.32

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Solution

The fourth proportional to 403,826.40, 557,272.80 and 234,076.32 is: 323,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,826.40 : 557,272.80 = 234,076.32 : x
  2. Step 2: Convert to fraction form
    403,826.40/557,272.80 = 234,076.32/x
  3. Step 3: Cross multiply
    403,826.40x = 557,272.80 × 234,076.32
  4. Step 4: Simplify right side
    403,826.40x = 130,444,366,260.10
  5. Step 5: Solve for x
    x = 130,444,366,260.10/403,826.40
  6. Step 6: Final answer
    x = 323,020.90

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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.