Home / 410,200.24-565,918.50-256,971.76

Finding the Fourth Proportional to 410,200.24, 565,918.50 and 256,971.76

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Solution

The fourth proportional to 410,200.24, 565,918.50 and 256,971.76 is: 354,522.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,200.24 : 565,918.50 = 256,971.76 : x
  2. Step 2: Convert to fraction form
    410,200.24/565,918.50 = 256,971.76/x
  3. Step 3: Cross multiply
    410,200.24x = 565,918.50 × 256,971.76
  4. Step 4: Simplify right side
    410,200.24x = 145,425,072,961.56
  5. Step 5: Solve for x
    x = 145,425,072,961.56/410,200.24
  6. Step 6: Final answer
    x = 354,522.15

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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.