Home / 1,258,893.92-1,737,273.86-685,934.10

Finding the Fourth Proportional to 1,258,893.92, 1,737,273.86 and 685,934.10

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Solution

The fourth proportional to 1,258,893.92, 1,737,273.86 and 685,934.10 is: 946,589.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,893.92 : 1,737,273.86 = 685,934.10 : x
  2. Step 2: Convert to fraction form
    1,258,893.92/1,737,273.86 = 685,934.10/x
  3. Step 3: Cross multiply
    1,258,893.92x = 1,737,273.86 × 685,934.10
  4. Step 4: Simplify right side
    1,258,893.92x = 1,191,655,369,496.59
  5. Step 5: Solve for x
    x = 1,191,655,369,496.59/1,258,893.92
  6. Step 6: Final answer
    x = 946,589.18

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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.