Home / 1,039,243.96-1,558,865.27-756,731.68

Finding the Fourth Proportional to 1,039,243.96, 1,558,865.27 and 756,731.68

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Solution

The fourth proportional to 1,039,243.96, 1,558,865.27 and 756,731.68 is: 1,135,097.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,243.96 : 1,558,865.27 = 756,731.68 : x
  2. Step 2: Convert to fraction form
    1,039,243.96/1,558,865.27 = 756,731.68/x
  3. Step 3: Cross multiply
    1,039,243.96x = 1,558,865.27 × 756,731.68
  4. Step 4: Simplify right side
    1,039,243.96x = 1,179,642,730,877.10
  5. Step 5: Solve for x
    x = 1,179,642,730,877.10/1,039,243.96
  6. Step 6: Final answer
    x = 1,135,097.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.