Home / 1,172,840.88-1,617,685.80-1,076,356.36

Finding the Fourth Proportional to 1,172,840.88, 1,617,685.80 and 1,076,356.36

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Solution

The fourth proportional to 1,172,840.88, 1,617,685.80 and 1,076,356.36 is: 1,484,605.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,840.88 : 1,617,685.80 = 1,076,356.36 : x
  2. Step 2: Convert to fraction form
    1,172,840.88/1,617,685.80 = 1,076,356.36/x
  3. Step 3: Cross multiply
    1,172,840.88x = 1,617,685.80 × 1,076,356.36
  4. Step 4: Simplify right side
    1,172,840.88x = 1,741,206,399,311.69
  5. Step 5: Solve for x
    x = 1,741,206,399,311.69/1,172,840.88
  6. Step 6: Final answer
    x = 1,484,605.82

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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.