Home / 1,219,920.89-1,827,388.15-570,567.78

Finding the Fourth Proportional to 1,219,920.89, 1,827,388.15 and 570,567.78

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Solution

The fourth proportional to 1,219,920.89, 1,827,388.15 and 570,567.78 is: 854,685.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,920.89 : 1,827,388.15 = 570,567.78 : x
  2. Step 2: Convert to fraction form
    1,219,920.89/1,827,388.15 = 570,567.78/x
  3. Step 3: Cross multiply
    1,219,920.89x = 1,827,388.15 × 570,567.78
  4. Step 4: Simplify right side
    1,219,920.89x = 1,042,648,798,517.39
  5. Step 5: Solve for x
    x = 1,042,648,798,517.39/1,219,920.89
  6. Step 6: Final answer
    x = 854,685.59

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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.