Home / 1,258,667.56-1,737,005.88-714,788.20

Finding the Fourth Proportional to 1,258,667.56, 1,737,005.88 and 714,788.20

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Solution

The fourth proportional to 1,258,667.56, 1,737,005.88 and 714,788.20 is: 986,433.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,667.56 : 1,737,005.88 = 714,788.20 : x
  2. Step 2: Convert to fraction form
    1,258,667.56/1,737,005.88 = 714,788.20/x
  3. Step 3: Cross multiply
    1,258,667.56x = 1,737,005.88 × 714,788.20
  4. Step 4: Simplify right side
    1,258,667.56x = 1,241,591,306,354.62
  5. Step 5: Solve for x
    x = 1,241,591,306,354.62/1,258,667.56
  6. Step 6: Final answer
    x = 986,433.07

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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.