Home / 1,188,716.81-1,783,199.86-514,866.27

Finding the Fourth Proportional to 1,188,716.81, 1,783,199.86 and 514,866.27

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Solution

The fourth proportional to 1,188,716.81, 1,783,199.86 and 514,866.27 is: 772,353.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,716.81 : 1,783,199.86 = 514,866.27 : x
  2. Step 2: Convert to fraction form
    1,188,716.81/1,783,199.86 = 514,866.27/x
  3. Step 3: Cross multiply
    1,188,716.81x = 1,783,199.86 × 514,866.27
  4. Step 4: Simplify right side
    1,188,716.81x = 918,109,459,295.56
  5. Step 5: Solve for x
    x = 918,109,459,295.56/1,188,716.81
  6. Step 6: Final answer
    x = 772,353.39

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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.