Home / 723,425.82-1,083,367.02-509,668.44

Finding the Fourth Proportional to 723,425.82, 1,083,367.02 and 509,668.44

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Solution

The fourth proportional to 723,425.82, 1,083,367.02 and 509,668.44 is: 763,254.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,425.82 : 1,083,367.02 = 509,668.44 : x
  2. Step 2: Convert to fraction form
    723,425.82/1,083,367.02 = 509,668.44/x
  3. Step 3: Cross multiply
    723,425.82x = 1,083,367.02 × 509,668.44
  4. Step 4: Simplify right side
    723,425.82x = 552,157,979,030.85
  5. Step 5: Solve for x
    x = 552,157,979,030.85/723,425.82
  6. Step 6: Final answer
    x = 763,254.45

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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.