Home / 519,923.68-717,669.12-368,758.24

Finding the Fourth Proportional to 519,923.68, 717,669.12 and 368,758.24

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Solution

The fourth proportional to 519,923.68, 717,669.12 and 368,758.24 is: 509,010.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,923.68 : 717,669.12 = 368,758.24 : x
  2. Step 2: Convert to fraction form
    519,923.68/717,669.12 = 368,758.24/x
  3. Step 3: Cross multiply
    519,923.68x = 717,669.12 × 368,758.24
  4. Step 4: Simplify right side
    519,923.68x = 264,646,401,593.55
  5. Step 5: Solve for x
    x = 264,646,401,593.55/519,923.68
  6. Step 6: Final answer
    x = 509,010.09

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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.