Home / 453,872.10-681,026.85-320,465.10

Finding the Fourth Proportional to 453,872.10, 681,026.85 and 320,465.10

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Solution

The fourth proportional to 453,872.10, 681,026.85 and 320,465.10 is: 480,852.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,872.10 : 681,026.85 = 320,465.10 : x
  2. Step 2: Convert to fraction form
    453,872.10/681,026.85 = 320,465.10/x
  3. Step 3: Cross multiply
    453,872.10x = 681,026.85 × 320,465.10
  4. Step 4: Simplify right side
    453,872.10x = 218,245,337,587.94
  5. Step 5: Solve for x
    x = 218,245,337,587.94/453,872.10
  6. Step 6: Final answer
    x = 480,852.07

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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.