Home / 1,258,814.04-1,737,141.40-685,858.36

Finding the Fourth Proportional to 1,258,814.04, 1,737,141.40 and 685,858.36

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Solution

The fourth proportional to 1,258,814.04, 1,737,141.40 and 685,858.36 is: 946,472.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,814.04 : 1,737,141.40 = 685,858.36 : x
  2. Step 2: Convert to fraction form
    1,258,814.04/1,737,141.40 = 685,858.36/x
  3. Step 3: Cross multiply
    1,258,814.04x = 1,737,141.40 × 685,858.36
  4. Step 4: Simplify right side
    1,258,814.04x = 1,191,432,951,692.10
  5. Step 5: Solve for x
    x = 1,191,432,951,692.10/1,258,814.04
  6. Step 6: Final answer
    x = 946,472.56

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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.