Home / 873,969.39-1,206,138.40-529,819.83

Finding the Fourth Proportional to 873,969.39, 1,206,138.40 and 529,819.83

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Solution

The fourth proportional to 873,969.39, 1,206,138.40 and 529,819.83 is: 731,188.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,969.39 : 1,206,138.40 = 529,819.83 : x
  2. Step 2: Convert to fraction form
    873,969.39/1,206,138.40 = 529,819.83/x
  3. Step 3: Cross multiply
    873,969.39x = 1,206,138.40 × 529,819.83
  4. Step 4: Simplify right side
    873,969.39x = 639,036,040,719.92
  5. Step 5: Solve for x
    x = 639,036,040,719.92/873,969.39
  6. Step 6: Final answer
    x = 731,188.13

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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.