Home / 1,205,212.89-1,807,924.41-395,354.49

Finding the Fourth Proportional to 1,205,212.89, 1,807,924.41 and 395,354.49

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Solution

The fourth proportional to 1,205,212.89, 1,807,924.41 and 395,354.49 is: 593,066.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,212.89 : 1,807,924.41 = 395,354.49 : x
  2. Step 2: Convert to fraction form
    1,205,212.89/1,807,924.41 = 395,354.49/x
  3. Step 3: Cross multiply
    1,205,212.89x = 1,807,924.41 × 395,354.49
  4. Step 4: Simplify right side
    1,205,212.89x = 714,771,033,074.10
  5. Step 5: Solve for x
    x = 714,771,033,074.10/1,205,212.89
  6. Step 6: Final answer
    x = 593,066.20

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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.