Home / 1,210,431.60-1,816,230.60-854,679.60

Finding the Fourth Proportional to 1,210,431.60, 1,816,230.60 and 854,679.60

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Solution

The fourth proportional to 1,210,431.60, 1,816,230.60 and 854,679.60 is: 1,282,431.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,431.60 : 1,816,230.60 = 854,679.60 : x
  2. Step 2: Convert to fraction form
    1,210,431.60/1,816,230.60 = 854,679.60/x
  3. Step 3: Cross multiply
    1,210,431.60x = 1,816,230.60 × 854,679.60
  4. Step 4: Simplify right side
    1,210,431.60x = 1,552,295,242,715.76
  5. Step 5: Solve for x
    x = 1,552,295,242,715.76/1,210,431.60
  6. Step 6: Final answer
    x = 1,282,431.19

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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.