Home / 798,556.72-1,102,023.85-435,981.50

Finding the Fourth Proportional to 798,556.72, 1,102,023.85 and 435,981.50

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Solution

The fourth proportional to 798,556.72, 1,102,023.85 and 435,981.50 is: 601,662.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,556.72 : 1,102,023.85 = 435,981.50 : x
  2. Step 2: Convert to fraction form
    798,556.72/1,102,023.85 = 435,981.50/x
  3. Step 3: Cross multiply
    798,556.72x = 1,102,023.85 × 435,981.50
  4. Step 4: Simplify right side
    798,556.72x = 480,462,008,978.87
  5. Step 5: Solve for x
    x = 480,462,008,978.87/798,556.72
  6. Step 6: Final answer
    x = 601,662.98

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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.