Home / 1,258,892.67-1,737,272.13-685,932.85

Finding the Fourth Proportional to 1,258,892.67, 1,737,272.13 and 685,932.85

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Solution

The fourth proportional to 1,258,892.67, 1,737,272.13 and 685,932.85 is: 946,587.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,892.67 : 1,737,272.13 = 685,932.85 : x
  2. Step 2: Convert to fraction form
    1,258,892.67/1,737,272.13 = 685,932.85/x
  3. Step 3: Cross multiply
    1,258,892.67x = 1,737,272.13 × 685,932.85
  4. Step 4: Simplify right side
    1,258,892.67x = 1,191,652,014,670.11
  5. Step 5: Solve for x
    x = 1,191,652,014,670.11/1,258,892.67
  6. Step 6: Final answer
    x = 946,587.46

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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.