Home / 689,600.26-951,426.84-417,581.20

Finding the Fourth Proportional to 689,600.26, 951,426.84 and 417,581.20

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Solution

The fourth proportional to 689,600.26, 951,426.84 and 417,581.20 is: 576,127.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,600.26 : 951,426.84 = 417,581.20 : x
  2. Step 2: Convert to fraction form
    689,600.26/951,426.84 = 417,581.20/x
  3. Step 3: Cross multiply
    689,600.26x = 951,426.84 × 417,581.20
  4. Step 4: Simplify right side
    689,600.26x = 397,297,961,559.41
  5. Step 5: Solve for x
    x = 397,297,961,559.41/689,600.26
  6. Step 6: Final answer
    x = 576,127.92

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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.