Home / 1,866,077.90-2,798,962.80-518,272.22

Finding the Fourth Proportional to 1,866,077.90, 2,798,962.80 and 518,272.22

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Solution

The fourth proportional to 1,866,077.90, 2,798,962.80 and 518,272.22 is: 777,365.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,077.90 : 2,798,962.80 = 518,272.22 : x
  2. Step 2: Convert to fraction form
    1,866,077.90/2,798,962.80 = 518,272.22/x
  3. Step 3: Cross multiply
    1,866,077.90x = 2,798,962.80 × 518,272.22
  4. Step 4: Simplify right side
    1,866,077.90x = 1,450,624,669,107.30
  5. Step 5: Solve for x
    x = 1,450,624,669,107.30/1,866,077.90
  6. Step 6: Final answer
    x = 777,365.55

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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.