Home / 411,526.06-568,100.13-309,590.43

Finding the Fourth Proportional to 411,526.06, 568,100.13 and 309,590.43

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Solution

The fourth proportional to 411,526.06, 568,100.13 and 309,590.43 is: 427,380.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,526.06 : 568,100.13 = 309,590.43 : x
  2. Step 2: Convert to fraction form
    411,526.06/568,100.13 = 309,590.43/x
  3. Step 3: Cross multiply
    411,526.06x = 568,100.13 × 309,590.43
  4. Step 4: Simplify right side
    411,526.06x = 175,878,363,529.76
  5. Step 5: Solve for x
    x = 175,878,363,529.76/411,526.06
  6. Step 6: Final answer
    x = 427,380.87

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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.