Home / 1,076,218.02-1,485,124.79-668,311.22

Finding the Fourth Proportional to 1,076,218.02, 1,485,124.79 and 668,311.22

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Solution

The fourth proportional to 1,076,218.02, 1,485,124.79 and 668,311.22 is: 922,234.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,218.02 : 1,485,124.79 = 668,311.22 : x
  2. Step 2: Convert to fraction form
    1,076,218.02/1,485,124.79 = 668,311.22/x
  3. Step 3: Cross multiply
    1,076,218.02x = 1,485,124.79 × 668,311.22
  4. Step 4: Simplify right side
    1,076,218.02x = 992,525,560,628.40
  5. Step 5: Solve for x
    x = 992,525,560,628.40/1,076,218.02
  6. Step 6: Final answer
    x = 922,234.66

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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.