Home / 1,229,241.98-1,696,148.34-685,258.53

Finding the Fourth Proportional to 1,229,241.98, 1,696,148.34 and 685,258.53

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Solution

The fourth proportional to 1,229,241.98, 1,696,148.34 and 685,258.53 is: 945,542.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,241.98 : 1,696,148.34 = 685,258.53 : x
  2. Step 2: Convert to fraction form
    1,229,241.98/1,696,148.34 = 685,258.53/x
  3. Step 3: Cross multiply
    1,229,241.98x = 1,696,148.34 × 685,258.53
  4. Step 4: Simplify right side
    1,229,241.98x = 1,162,300,118,130.34
  5. Step 5: Solve for x
    x = 1,162,300,118,130.34/1,229,241.98
  6. Step 6: Final answer
    x = 945,542.16

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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.