Home / 1,418,243.16-2,127,078.60-519,378.04

Finding the Fourth Proportional to 1,418,243.16, 2,127,078.60 and 519,378.04

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Solution

The fourth proportional to 1,418,243.16, 2,127,078.60 and 519,378.04 is: 778,962.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,243.16 : 2,127,078.60 = 519,378.04 : x
  2. Step 2: Convert to fraction form
    1,418,243.16/2,127,078.60 = 519,378.04/x
  3. Step 3: Cross multiply
    1,418,243.16x = 2,127,078.60 × 519,378.04
  4. Step 4: Simplify right side
    1,418,243.16x = 1,104,757,914,193.94
  5. Step 5: Solve for x
    x = 1,104,757,914,193.94/1,418,243.16
  6. Step 6: Final answer
    x = 778,962.27

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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.