Home / 409,173.96-564,507.24-408,543.14

Finding the Fourth Proportional to 409,173.96, 564,507.24 and 408,543.14

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Solution

The fourth proportional to 409,173.96, 564,507.24 and 408,543.14 is: 563,636.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,173.96 : 564,507.24 = 408,543.14 : x
  2. Step 2: Convert to fraction form
    409,173.96/564,507.24 = 408,543.14/x
  3. Step 3: Cross multiply
    409,173.96x = 564,507.24 × 408,543.14
  4. Step 4: Simplify right side
    409,173.96x = 230,625,560,382.33
  5. Step 5: Solve for x
    x = 230,625,560,382.33/409,173.96
  6. Step 6: Final answer
    x = 563,636.94

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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.