Home / 1,258,892.41-1,737,271.77-685,932.58

Finding the Fourth Proportional to 1,258,892.41, 1,737,271.77 and 685,932.58

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Solution

The fourth proportional to 1,258,892.41, 1,737,271.77 and 685,932.58 is: 946,587.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,892.41 : 1,737,271.77 = 685,932.58 : x
  2. Step 2: Convert to fraction form
    1,258,892.41/1,737,271.77 = 685,932.58/x
  3. Step 3: Cross multiply
    1,258,892.41x = 1,737,271.77 × 685,932.58
  4. Step 4: Simplify right side
    1,258,892.41x = 1,191,651,303,014.09
  5. Step 5: Solve for x
    x = 1,191,651,303,014.09/1,258,892.41
  6. Step 6: Final answer
    x = 946,587.09

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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.