Home / 1,076,624.87-1,485,768.83-663,005.15

Finding the Fourth Proportional to 1,076,624.87, 1,485,768.83 and 663,005.15

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Solution

The fourth proportional to 1,076,624.87, 1,485,768.83 and 663,005.15 is: 914,963.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,624.87 : 1,485,768.83 = 663,005.15 : x
  2. Step 2: Convert to fraction form
    1,076,624.87/1,485,768.83 = 663,005.15/x
  3. Step 3: Cross multiply
    1,076,624.87x = 1,485,768.83 × 663,005.15
  4. Step 4: Simplify right side
    1,076,624.87x = 985,072,380,827.24
  5. Step 5: Solve for x
    x = 985,072,380,827.24/1,076,624.87
  6. Step 6: Final answer
    x = 914,963.43

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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.