Home / 1,213,683.40-1,822,493.40-816,086.80

Finding the Fourth Proportional to 1,213,683.40, 1,822,493.40 and 816,086.80

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Solution

The fourth proportional to 1,213,683.40, 1,822,493.40 and 816,086.80 is: 1,225,453.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,683.40 : 1,822,493.40 = 816,086.80 : x
  2. Step 2: Convert to fraction form
    1,213,683.40/1,822,493.40 = 816,086.80/x
  3. Step 3: Cross multiply
    1,213,683.40x = 1,822,493.40 × 816,086.80
  4. Step 4: Simplify right side
    1,213,683.40x = 1,487,312,806,827.12
  5. Step 5: Solve for x
    x = 1,487,312,806,827.12/1,213,683.40
  6. Step 6: Final answer
    x = 1,225,453.69

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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.