Home / 2,076,580.80-3,114,579.60-656,780.40

Finding the Fourth Proportional to 2,076,580.80, 3,114,579.60 and 656,780.40

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Solution

The fourth proportional to 2,076,580.80, 3,114,579.60 and 656,780.40 is: 985,078.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,580.80 : 3,114,579.60 = 656,780.40 : x
  2. Step 2: Convert to fraction form
    2,076,580.80/3,114,579.60 = 656,780.40/x
  3. Step 3: Cross multiply
    2,076,580.80x = 3,114,579.60 × 656,780.40
  4. Step 4: Simplify right side
    2,076,580.80x = 2,045,594,835,519.84
  5. Step 5: Solve for x
    x = 2,045,594,835,519.84/2,076,580.80
  6. Step 6: Final answer
    x = 985,078.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.