Home / 467,485.20-645,186.40-263,575.40

Finding the Fourth Proportional to 467,485.20, 645,186.40 and 263,575.40

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Solution

The fourth proportional to 467,485.20, 645,186.40 and 263,575.40 is: 363,766.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,485.20 : 645,186.40 = 263,575.40 : x
  2. Step 2: Convert to fraction form
    467,485.20/645,186.40 = 263,575.40/x
  3. Step 3: Cross multiply
    467,485.20x = 645,186.40 × 263,575.40
  4. Step 4: Simplify right side
    467,485.20x = 170,055,259,569.69
  5. Step 5: Solve for x
    x = 170,055,259,569.69/467,485.20
  6. Step 6: Final answer
    x = 363,766.08

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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.