Home / 923,110.60-1,273,893.24-509,647.72

Finding the Fourth Proportional to 923,110.60, 1,273,893.24 and 509,647.72

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Solution

The fourth proportional to 923,110.60, 1,273,893.24 and 509,647.72 is: 703,314.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,110.60 : 1,273,893.24 = 509,647.72 : x
  2. Step 2: Convert to fraction form
    923,110.60/1,273,893.24 = 509,647.72/x
  3. Step 3: Cross multiply
    923,110.60x = 1,273,893.24 × 509,647.72
  4. Step 4: Simplify right side
    923,110.60x = 649,236,785,289.41
  5. Step 5: Solve for x
    x = 649,236,785,289.41/923,110.60
  6. Step 6: Final answer
    x = 703,314.19

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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.