Home / 1,172,829.19-1,617,669.78-1,076,344.69

Finding the Fourth Proportional to 1,172,829.19, 1,617,669.78 and 1,076,344.69

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Solution

The fourth proportional to 1,172,829.19, 1,617,669.78 and 1,076,344.69 is: 1,484,589.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,829.19 : 1,617,669.78 = 1,076,344.69 : x
  2. Step 2: Convert to fraction form
    1,172,829.19/1,617,669.78 = 1,076,344.69/x
  3. Step 3: Cross multiply
    1,172,829.19x = 1,617,669.78 × 1,076,344.69
  4. Step 4: Simplify right side
    1,172,829.19x = 1,741,170,277,876.47
  5. Step 5: Solve for x
    x = 1,741,170,277,876.47/1,172,829.19
  6. Step 6: Final answer
    x = 1,484,589.82

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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.