Home / 1,234,683.60-1,855,135.80-785,619.60

Finding the Fourth Proportional to 1,234,683.60, 1,855,135.80 and 785,619.60

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Solution

The fourth proportional to 1,234,683.60, 1,855,135.80 and 785,619.60 is: 1,180,408.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,683.60 : 1,855,135.80 = 785,619.60 : x
  2. Step 2: Convert to fraction form
    1,234,683.60/1,855,135.80 = 785,619.60/x
  3. Step 3: Cross multiply
    1,234,683.60x = 1,855,135.80 × 785,619.60
  4. Step 4: Simplify right side
    1,234,683.60x = 1,457,431,045,141.68
  5. Step 5: Solve for x
    x = 1,457,431,045,141.68/1,234,683.60
  6. Step 6: Final answer
    x = 1,180,408.52

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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.