Home / 1,543,488.94-2,129,629.98-890,314.66

Finding the Fourth Proportional to 1,543,488.94, 2,129,629.98 and 890,314.66

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Solution

The fourth proportional to 1,543,488.94, 2,129,629.98 and 890,314.66 is: 1,228,412.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,488.94 : 2,129,629.98 = 890,314.66 : x
  2. Step 2: Convert to fraction form
    1,543,488.94/2,129,629.98 = 890,314.66/x
  3. Step 3: Cross multiply
    1,543,488.94x = 2,129,629.98 × 890,314.66
  4. Step 4: Simplify right side
    1,543,488.94x = 1,896,040,791,569.51
  5. Step 5: Solve for x
    x = 1,896,040,791,569.51/1,543,488.94
  6. Step 6: Final answer
    x = 1,228,412.30

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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.