Home / 693,645.40-1,042,023.30-483,693.40

Finding the Fourth Proportional to 693,645.40, 1,042,023.30 and 483,693.40

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Solution

The fourth proportional to 693,645.40, 1,042,023.30 and 483,693.40 is: 726,624.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,645.40 : 1,042,023.30 = 483,693.40 : x
  2. Step 2: Convert to fraction form
    693,645.40/1,042,023.30 = 483,693.40/x
  3. Step 3: Cross multiply
    693,645.40x = 1,042,023.30 × 483,693.40
  4. Step 4: Simplify right side
    693,645.40x = 504,019,792,856.22
  5. Step 5: Solve for x
    x = 504,019,792,856.22/693,645.40
  6. Step 6: Final answer
    x = 726,624.57

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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.