Home / 1,201,173.62-1,657,619.72-657,309.52

Finding the Fourth Proportional to 1,201,173.62, 1,657,619.72 and 657,309.52

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Solution

The fourth proportional to 1,201,173.62, 1,657,619.72 and 657,309.52 is: 907,087.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,173.62 : 1,657,619.72 = 657,309.52 : x
  2. Step 2: Convert to fraction form
    1,201,173.62/1,657,619.72 = 657,309.52/x
  3. Step 3: Cross multiply
    1,201,173.62x = 1,657,619.72 × 657,309.52
  4. Step 4: Simplify right side
    1,201,173.62x = 1,089,569,222,495.73
  5. Step 5: Solve for x
    x = 1,089,569,222,495.73/1,201,173.62
  6. Step 6: Final answer
    x = 907,087.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.