Home / 824,650.56-1,234,875.60-543,314.88

Finding the Fourth Proportional to 824,650.56, 1,234,875.60 and 543,314.88

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Solution

The fourth proportional to 824,650.56, 1,234,875.60 and 543,314.88 is: 813,588.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,650.56 : 1,234,875.60 = 543,314.88 : x
  2. Step 2: Convert to fraction form
    824,650.56/1,234,875.60 = 543,314.88/x
  3. Step 3: Cross multiply
    824,650.56x = 1,234,875.60 × 543,314.88
  4. Step 4: Simplify right side
    824,650.56x = 670,926,288,428.93
  5. Step 5: Solve for x
    x = 670,926,288,428.93/824,650.56
  6. Step 6: Final answer
    x = 813,588.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.