Home / 650,826.55-898,114.39-378,902.26

Finding the Fourth Proportional to 650,826.55, 898,114.39 and 378,902.26

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Solution

The fourth proportional to 650,826.55, 898,114.39 and 378,902.26 is: 522,869.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,826.55 : 898,114.39 = 378,902.26 : x
  2. Step 2: Convert to fraction form
    650,826.55/898,114.39 = 378,902.26/x
  3. Step 3: Cross multiply
    650,826.55x = 898,114.39 × 378,902.26
  4. Step 4: Simplify right side
    650,826.55x = 340,297,572,109.52
  5. Step 5: Solve for x
    x = 340,297,572,109.52/650,826.55
  6. Step 6: Final answer
    x = 522,869.84

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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.