Home / 702,540.52-1,053,811.50-328,825.96

Finding the Fourth Proportional to 702,540.52, 1,053,811.50 and 328,825.96

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Solution

The fourth proportional to 702,540.52, 1,053,811.50 and 328,825.96 is: 493,239.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,540.52 : 1,053,811.50 = 328,825.96 : x
  2. Step 2: Convert to fraction form
    702,540.52/1,053,811.50 = 328,825.96/x
  3. Step 3: Cross multiply
    702,540.52x = 1,053,811.50 × 328,825.96
  4. Step 4: Simplify right side
    702,540.52x = 346,520,578,146.54
  5. Step 5: Solve for x
    x = 346,520,578,146.54/702,540.52
  6. Step 6: Final answer
    x = 493,239.28

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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.