Home / 317,535.96-478,204.77-289,192.44

Finding the Fourth Proportional to 317,535.96, 478,204.77 and 289,192.44

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Solution

The fourth proportional to 317,535.96, 478,204.77 and 289,192.44 is: 435,519.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,535.96 : 478,204.77 = 289,192.44 : x
  2. Step 2: Convert to fraction form
    317,535.96/478,204.77 = 289,192.44/x
  3. Step 3: Cross multiply
    317,535.96x = 478,204.77 × 289,192.44
  4. Step 4: Simplify right side
    317,535.96x = 138,293,204,255.94
  5. Step 5: Solve for x
    x = 138,293,204,255.94/317,535.96
  6. Step 6: Final answer
    x = 435,519.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.