Home / 672,183.80-1,008,275.70-619,039.70

Finding the Fourth Proportional to 672,183.80, 1,008,275.70 and 619,039.70

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Solution

The fourth proportional to 672,183.80, 1,008,275.70 and 619,039.70 is: 928,559.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,183.80 : 1,008,275.70 = 619,039.70 : x
  2. Step 2: Convert to fraction form
    672,183.80/1,008,275.70 = 619,039.70/x
  3. Step 3: Cross multiply
    672,183.80x = 1,008,275.70 × 619,039.70
  4. Step 4: Simplify right side
    672,183.80x = 624,162,686,845.29
  5. Step 5: Solve for x
    x = 624,162,686,845.29/672,183.80
  6. Step 6: Final answer
    x = 928,559.55

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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.