Home / 1,188,158.96-1,781,526.69-378,193.52

Finding the Fourth Proportional to 1,188,158.96, 1,781,526.69 and 378,193.52

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Solution

The fourth proportional to 1,188,158.96, 1,781,526.69 and 378,193.52 is: 567,063.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,158.96 : 1,781,526.69 = 378,193.52 : x
  2. Step 2: Convert to fraction form
    1,188,158.96/1,781,526.69 = 378,193.52/x
  3. Step 3: Cross multiply
    1,188,158.96x = 1,781,526.69 × 378,193.52
  4. Step 4: Simplify right side
    1,188,158.96x = 673,761,854,318.87
  5. Step 5: Solve for x
    x = 673,761,854,318.87/1,188,158.96
  6. Step 6: Final answer
    x = 567,063.73

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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.