Home / 621,049.22-856,921.24-362,876.25

Finding the Fourth Proportional to 621,049.22, 856,921.24 and 362,876.25

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Solution

The fourth proportional to 621,049.22, 856,921.24 and 362,876.25 is: 500,695.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,049.22 : 856,921.24 = 362,876.25 : x
  2. Step 2: Convert to fraction form
    621,049.22/856,921.24 = 362,876.25/x
  3. Step 3: Cross multiply
    621,049.22x = 856,921.24 × 362,876.25
  4. Step 4: Simplify right side
    621,049.22x = 310,956,369,783.60
  5. Step 5: Solve for x
    x = 310,956,369,783.60/621,049.22
  6. Step 6: Final answer
    x = 500,695.21

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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.