Home / 1,585,865.46-2,188,496.50-860,713.19

Finding the Fourth Proportional to 1,585,865.46, 2,188,496.50 and 860,713.19

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Solution

The fourth proportional to 1,585,865.46, 2,188,496.50 and 860,713.19 is: 1,187,785.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,865.46 : 2,188,496.50 = 860,713.19 : x
  2. Step 2: Convert to fraction form
    1,585,865.46/2,188,496.50 = 860,713.19/x
  3. Step 3: Cross multiply
    1,585,865.46x = 2,188,496.50 × 860,713.19
  4. Step 4: Simplify right side
    1,585,865.46x = 1,883,667,800,545.27
  5. Step 5: Solve for x
    x = 1,883,667,800,545.27/1,585,865.46
  6. Step 6: Final answer
    x = 1,187,785.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.