Home / 1,258,126.49-1,736,233.11-685,165.30

Finding the Fourth Proportional to 1,258,126.49, 1,736,233.11 and 685,165.30

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Solution

The fourth proportional to 1,258,126.49, 1,736,233.11 and 685,165.30 is: 945,538.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,126.49 : 1,736,233.11 = 685,165.30 : x
  2. Step 2: Convert to fraction form
    1,258,126.49/1,736,233.11 = 685,165.30/x
  3. Step 3: Cross multiply
    1,258,126.49x = 1,736,233.11 × 685,165.30
  4. Step 4: Simplify right side
    1,258,126.49x = 1,189,606,675,342.50
  5. Step 5: Solve for x
    x = 1,189,606,675,342.50/1,258,126.49
  6. Step 6: Final answer
    x = 945,538.21

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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.