Home / 850,580.50-1,173,787.32-463,400.54

Finding the Fourth Proportional to 850,580.50, 1,173,787.32 and 463,400.54

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Solution

The fourth proportional to 850,580.50, 1,173,787.32 and 463,400.54 is: 639,485.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,580.50 : 1,173,787.32 = 463,400.54 : x
  2. Step 2: Convert to fraction form
    850,580.50/1,173,787.32 = 463,400.54/x
  3. Step 3: Cross multiply
    850,580.50x = 1,173,787.32 × 463,400.54
  4. Step 4: Simplify right side
    850,580.50x = 543,933,677,933.15
  5. Step 5: Solve for x
    x = 543,933,677,933.15/850,580.50
  6. Step 6: Final answer
    x = 639,485.24

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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.