Home / 1,256,150.72-1,884,227.12-309,521.54

Finding the Fourth Proportional to 1,256,150.72, 1,884,227.12 and 309,521.54

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Solution

The fourth proportional to 1,256,150.72, 1,884,227.12 and 309,521.54 is: 464,282.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,150.72 : 1,884,227.12 = 309,521.54 : x
  2. Step 2: Convert to fraction form
    1,256,150.72/1,884,227.12 = 309,521.54/x
  3. Step 3: Cross multiply
    1,256,150.72x = 1,884,227.12 × 309,521.54
  4. Step 4: Simplify right side
    1,256,150.72x = 583,208,884,215.83
  5. Step 5: Solve for x
    x = 583,208,884,215.83/1,256,150.72
  6. Step 6: Final answer
    x = 464,282.57

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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.