Home / 928,442.24-1,392,663.38-612,825.34

Finding the Fourth Proportional to 928,442.24, 1,392,663.38 and 612,825.34

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Solution

The fourth proportional to 928,442.24, 1,392,663.38 and 612,825.34 is: 919,238.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,442.24 : 1,392,663.38 = 612,825.34 : x
  2. Step 2: Convert to fraction form
    928,442.24/1,392,663.38 = 612,825.34/x
  3. Step 3: Cross multiply
    928,442.24x = 1,392,663.38 × 612,825.34
  4. Step 4: Simplify right side
    928,442.24x = 853,459,409,354.05
  5. Step 5: Solve for x
    x = 853,459,409,354.05/928,442.24
  6. Step 6: Final answer
    x = 919,238.02

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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.