Home / 1,543,130.77-2,129,537.49-854,813.17

Finding the Fourth Proportional to 1,543,130.77, 2,129,537.49 and 854,813.17

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Solution

The fourth proportional to 1,543,130.77, 2,129,537.49 and 854,813.17 is: 1,179,651.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,130.77 : 2,129,537.49 = 854,813.17 : x
  2. Step 2: Convert to fraction form
    1,543,130.77/2,129,537.49 = 854,813.17/x
  3. Step 3: Cross multiply
    1,543,130.77x = 2,129,537.49 × 854,813.17
  4. Step 4: Simplify right side
    1,543,130.77x = 1,820,356,692,460.74
  5. Step 5: Solve for x
    x = 1,820,356,692,460.74/1,543,130.77
  6. Step 6: Final answer
    x = 1,179,651.61

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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.