Home / 1,471,123.94-2,206,682.64-391,636.76

Finding the Fourth Proportional to 1,471,123.94, 2,206,682.64 and 391,636.76

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Solution

The fourth proportional to 1,471,123.94, 2,206,682.64 and 391,636.76 is: 587,454.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,123.94 : 2,206,682.64 = 391,636.76 : x
  2. Step 2: Convert to fraction form
    1,471,123.94/2,206,682.64 = 391,636.76/x
  3. Step 3: Cross multiply
    1,471,123.94x = 2,206,682.64 × 391,636.76
  4. Step 4: Simplify right side
    1,471,123.94x = 864,218,028,444.43
  5. Step 5: Solve for x
    x = 864,218,028,444.43/1,471,123.94
  6. Step 6: Final answer
    x = 587,454.26

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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.