Home / 1,258,983.25-1,737,399.05-686,023.41

Finding the Fourth Proportional to 1,258,983.25, 1,737,399.05 and 686,023.41

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Solution

The fourth proportional to 1,258,983.25, 1,737,399.05 and 686,023.41 is: 946,713.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,983.25 : 1,737,399.05 = 686,023.41 : x
  2. Step 2: Convert to fraction form
    1,258,983.25/1,737,399.05 = 686,023.41/x
  3. Step 3: Cross multiply
    1,258,983.25x = 1,737,399.05 × 686,023.41
  4. Step 4: Simplify right side
    1,258,983.25x = 1,191,896,420,811.76
  5. Step 5: Solve for x
    x = 1,191,896,420,811.76/1,258,983.25
  6. Step 6: Final answer
    x = 946,713.49

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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.