Home / 695,445.84-1,043,168.76-379,730.52

Finding the Fourth Proportional to 695,445.84, 1,043,168.76 and 379,730.52

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Solution

The fourth proportional to 695,445.84, 1,043,168.76 and 379,730.52 is: 569,595.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,445.84 : 1,043,168.76 = 379,730.52 : x
  2. Step 2: Convert to fraction form
    695,445.84/1,043,168.76 = 379,730.52/x
  3. Step 3: Cross multiply
    695,445.84x = 1,043,168.76 × 379,730.52
  4. Step 4: Simplify right side
    695,445.84x = 396,123,015,682.56
  5. Step 5: Solve for x
    x = 396,123,015,682.56/695,445.84
  6. Step 6: Final answer
    x = 569,595.78

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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.