Home / 1,256,150.91-1,884,227.40-309,521.73

Finding the Fourth Proportional to 1,256,150.91, 1,884,227.40 and 309,521.73

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Solution

The fourth proportional to 1,256,150.91, 1,884,227.40 and 309,521.73 is: 464,282.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,150.91 : 1,884,227.40 = 309,521.73 : x
  2. Step 2: Convert to fraction form
    1,256,150.91/1,884,227.40 = 309,521.73/x
  3. Step 3: Cross multiply
    1,256,150.91x = 1,884,227.40 × 309,521.73
  4. Step 4: Simplify right side
    1,256,150.91x = 583,209,324,561.40
  5. Step 5: Solve for x
    x = 583,209,324,561.40/1,256,150.91
  6. Step 6: Final answer
    x = 464,282.85

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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.