Home / 886,905.40-1,223,930.58-504,932.20

Finding the Fourth Proportional to 886,905.40, 1,223,930.58 and 504,932.20

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Solution

The fourth proportional to 886,905.40, 1,223,930.58 and 504,932.20 is: 696,807.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,905.40 : 1,223,930.58 = 504,932.20 : x
  2. Step 2: Convert to fraction form
    886,905.40/1,223,930.58 = 504,932.20/x
  3. Step 3: Cross multiply
    886,905.40x = 1,223,930.58 × 504,932.20
  4. Step 4: Simplify right side
    886,905.40x = 618,001,960,406.68
  5. Step 5: Solve for x
    x = 618,001,960,406.68/886,905.40
  6. Step 6: Final answer
    x = 696,807.08

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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.