Home / 955,074.72-1,432,789.26-315,422.76

Finding the Fourth Proportional to 955,074.72, 1,432,789.26 and 315,422.76

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Solution

The fourth proportional to 955,074.72, 1,432,789.26 and 315,422.76 is: 473,192.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,074.72 : 1,432,789.26 = 315,422.76 : x
  2. Step 2: Convert to fraction form
    955,074.72/1,432,789.26 = 315,422.76/x
  3. Step 3: Cross multiply
    955,074.72x = 1,432,789.26 × 315,422.76
  4. Step 4: Simplify right side
    955,074.72x = 451,934,342,887.56
  5. Step 5: Solve for x
    x = 451,934,342,887.56/955,074.72
  6. Step 6: Final answer
    x = 473,192.66

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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.