Home / 457,766.64-631,725.54-253,826.16

Finding the Fourth Proportional to 457,766.64, 631,725.54 and 253,826.16

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Solution

The fourth proportional to 457,766.64, 631,725.54 and 253,826.16 is: 350,284.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,766.64 : 631,725.54 = 253,826.16 : x
  2. Step 2: Convert to fraction form
    457,766.64/631,725.54 = 253,826.16/x
  3. Step 3: Cross multiply
    457,766.64x = 631,725.54 × 253,826.16
  4. Step 4: Simplify right side
    457,766.64x = 160,348,467,992.13
  5. Step 5: Solve for x
    x = 160,348,467,992.13/457,766.64
  6. Step 6: Final answer
    x = 350,284.30

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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.