Home / 1,543,197.66-2,129,589.63-854,867.40

Finding the Fourth Proportional to 1,543,197.66, 2,129,589.63 and 854,867.40

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Solution

The fourth proportional to 1,543,197.66, 2,129,589.63 and 854,867.40 is: 1,179,704.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,197.66 : 2,129,589.63 = 854,867.40 : x
  2. Step 2: Convert to fraction form
    1,543,197.66/2,129,589.63 = 854,867.40/x
  3. Step 3: Cross multiply
    1,543,197.66x = 2,129,589.63 × 854,867.40
  4. Step 4: Simplify right side
    1,543,197.66x = 1,820,516,750,065.06
  5. Step 5: Solve for x
    x = 1,820,516,750,065.06/1,543,197.66
  6. Step 6: Final answer
    x = 1,179,704.19

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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.