Home / 411,526.32-568,228.52-315,881.52

Finding the Fourth Proportional to 411,526.32, 568,228.52 and 315,881.52

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Solution

The fourth proportional to 411,526.32, 568,228.52 and 315,881.52 is: 436,163.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,526.32 : 568,228.52 = 315,881.52 : x
  2. Step 2: Convert to fraction form
    411,526.32/568,228.52 = 315,881.52/x
  3. Step 3: Cross multiply
    411,526.32x = 568,228.52 × 315,881.52
  4. Step 4: Simplify right side
    411,526.32x = 179,492,888,604.95
  5. Step 5: Solve for x
    x = 179,492,888,604.95/411,526.32
  6. Step 6: Final answer
    x = 436,163.81

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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.