Home / 526,919.70-790,378.38-407,150.82

Finding the Fourth Proportional to 526,919.70, 790,378.38 and 407,150.82

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Solution

The fourth proportional to 526,919.70, 790,378.38 and 407,150.82 is: 610,725.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,919.70 : 790,378.38 = 407,150.82 : x
  2. Step 2: Convert to fraction form
    526,919.70/790,378.38 = 407,150.82/x
  3. Step 3: Cross multiply
    526,919.70x = 790,378.38 × 407,150.82
  4. Step 4: Simplify right side
    526,919.70x = 321,803,205,527.27
  5. Step 5: Solve for x
    x = 321,803,205,527.27/526,919.70
  6. Step 6: Final answer
    x = 610,725.33

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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.