Home / 756,483.99-1,043,941.17-412,319.91

Finding the Fourth Proportional to 756,483.99, 1,043,941.17 and 412,319.91

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Solution

The fourth proportional to 756,483.99, 1,043,941.17 and 412,319.91 is: 568,997.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,483.99 : 1,043,941.17 = 412,319.91 : x
  2. Step 2: Convert to fraction form
    756,483.99/1,043,941.17 = 412,319.91/x
  3. Step 3: Cross multiply
    756,483.99x = 1,043,941.17 × 412,319.91
  4. Step 4: Simplify right side
    756,483.99x = 430,437,722,433.47
  5. Step 5: Solve for x
    x = 430,437,722,433.47/756,483.99
  6. Step 6: Final answer
    x = 568,997.79

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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.