Home / 1,109,605.45-1,662,936.75-569,839.90

Finding the Fourth Proportional to 1,109,605.45, 1,662,936.75 and 569,839.90

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Solution

The fourth proportional to 1,109,605.45, 1,662,936.75 and 569,839.90 is: 854,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,605.45 : 1,662,936.75 = 569,839.90 : x
  2. Step 2: Convert to fraction form
    1,109,605.45/1,662,936.75 = 569,839.90/x
  3. Step 3: Cross multiply
    1,109,605.45x = 1,662,936.75 × 569,839.90
  4. Step 4: Simplify right side
    1,109,605.45x = 947,607,711,326.33
  5. Step 5: Solve for x
    x = 947,607,711,326.33/1,109,605.45
  6. Step 6: Final answer
    x = 854,004.20

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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.