Home / 689,015.19-1,033,545.87-239,773.80

Finding the Fourth Proportional to 689,015.19, 1,033,545.87 and 239,773.80

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Solution

The fourth proportional to 689,015.19, 1,033,545.87 and 239,773.80 is: 359,668.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,015.19 : 1,033,545.87 = 239,773.80 : x
  2. Step 2: Convert to fraction form
    689,015.19/1,033,545.87 = 239,773.80/x
  3. Step 3: Cross multiply
    689,015.19x = 1,033,545.87 × 239,773.80
  4. Step 4: Simplify right side
    689,015.19x = 247,817,220,724.21
  5. Step 5: Solve for x
    x = 247,817,220,724.21/689,015.19
  6. Step 6: Final answer
    x = 359,668.73

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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.