Home / 1,185,862.14-1,636,487.73-641,997.72

Finding the Fourth Proportional to 1,185,862.14, 1,636,487.73 and 641,997.72

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Solution

The fourth proportional to 1,185,862.14, 1,636,487.73 and 641,997.72 is: 885,955.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,862.14 : 1,636,487.73 = 641,997.72 : x
  2. Step 2: Convert to fraction form
    1,185,862.14/1,636,487.73 = 641,997.72/x
  3. Step 3: Cross multiply
    1,185,862.14x = 1,636,487.73 × 641,997.72
  4. Step 4: Simplify right side
    1,185,862.14x = 1,050,621,391,467.98
  5. Step 5: Solve for x
    x = 1,050,621,391,467.98/1,185,862.14
  6. Step 6: Final answer
    x = 885,955.76

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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.