Home / 689,909.40-1,034,864.10-184,469.40

Finding the Fourth Proportional to 689,909.40, 1,034,864.10 and 184,469.40

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Solution

The fourth proportional to 689,909.40, 1,034,864.10 and 184,469.40 is: 276,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,909.40 : 1,034,864.10 = 184,469.40 : x
  2. Step 2: Convert to fraction form
    689,909.40/1,034,864.10 = 184,469.40/x
  3. Step 3: Cross multiply
    689,909.40x = 1,034,864.10 × 184,469.40
  4. Step 4: Simplify right side
    689,909.40x = 190,900,759,608.54
  5. Step 5: Solve for x
    x = 190,900,759,608.54/689,909.40
  6. Step 6: Final answer
    x = 276,704.10

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1.5x scale

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.