Home / 1,218,802.10-1,827,083.59-419,893.70

Finding the Fourth Proportional to 1,218,802.10, 1,827,083.59 and 419,893.70

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Solution

The fourth proportional to 1,218,802.10, 1,827,083.59 and 419,893.70 is: 629,454.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,802.10 : 1,827,083.59 = 419,893.70 : x
  2. Step 2: Convert to fraction form
    1,218,802.10/1,827,083.59 = 419,893.70/x
  3. Step 3: Cross multiply
    1,218,802.10x = 1,827,083.59 × 419,893.70
  4. Step 4: Simplify right side
    1,218,802.10x = 767,180,878,629.23
  5. Step 5: Solve for x
    x = 767,180,878,629.23/1,218,802.10
  6. Step 6: Final answer
    x = 629,454.84

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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.