Home / 1,258,892.92-1,737,272.48-685,933.10

Finding the Fourth Proportional to 1,258,892.92, 1,737,272.48 and 685,933.10

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Solution

The fourth proportional to 1,258,892.92, 1,737,272.48 and 685,933.10 is: 946,587.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,892.92 : 1,737,272.48 = 685,933.10 : x
  2. Step 2: Convert to fraction form
    1,258,892.92/1,737,272.48 = 685,933.10/x
  3. Step 3: Cross multiply
    1,258,892.92x = 1,737,272.48 × 685,933.10
  4. Step 4: Simplify right side
    1,258,892.92x = 1,191,652,685,635.06
  5. Step 5: Solve for x
    x = 1,191,652,685,635.06/1,258,892.92
  6. Step 6: Final answer
    x = 946,587.81

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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.