Home / 2,155,398-3,233,226.60-659,502.96

Finding the Fourth Proportional to 2,155,398, 3,233,226.60 and 659,502.96

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Solution

The fourth proportional to 2,155,398, 3,233,226.60 and 659,502.96 is: 989,294.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,398 : 3,233,226.60 = 659,502.96 : x
  2. Step 2: Convert to fraction form
    2,155,398/3,233,226.60 = 659,502.96/x
  3. Step 3: Cross multiply
    2,155,398x = 3,233,226.60 × 659,502.96
  4. Step 4: Simplify right side
    2,155,398x = 2,132,322,513,050.74
  5. Step 5: Solve for x
    x = 2,132,322,513,050.74/2,155,398
  6. Step 6: Final answer
    x = 989,294.09

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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.