Home / 816,477.60-1,222,416-616,161.36

Finding the Fourth Proportional to 816,477.60, 1,222,416 and 616,161.36

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Solution

The fourth proportional to 816,477.60, 1,222,416 and 616,161.36 is: 922,506.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,477.60 : 1,222,416 = 616,161.36 : x
  2. Step 2: Convert to fraction form
    816,477.60/1,222,416 = 616,161.36/x
  3. Step 3: Cross multiply
    816,477.60x = 1,222,416 × 616,161.36
  4. Step 4: Simplify right side
    816,477.60x = 753,205,505,045.76
  5. Step 5: Solve for x
    x = 753,205,505,045.76/816,477.60
  6. Step 6: Final answer
    x = 922,506.02

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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.