Home / 1,157,286.60-1,736,016.30-409,235.40

Finding the Fourth Proportional to 1,157,286.60, 1,736,016.30 and 409,235.40

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Solution

The fourth proportional to 1,157,286.60, 1,736,016.30 and 409,235.40 is: 613,883.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,286.60 : 1,736,016.30 = 409,235.40 : x
  2. Step 2: Convert to fraction form
    1,157,286.60/1,736,016.30 = 409,235.40/x
  3. Step 3: Cross multiply
    1,157,286.60x = 1,736,016.30 × 409,235.40
  4. Step 4: Simplify right side
    1,157,286.60x = 710,439,324,937.02
  5. Step 5: Solve for x
    x = 710,439,324,937.02/1,157,286.60
  6. Step 6: Final answer
    x = 613,883.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.