Home / 818,611.20-1,227,916.80-700,513.20

Finding the Fourth Proportional to 818,611.20, 1,227,916.80 and 700,513.20

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Solution

The fourth proportional to 818,611.20, 1,227,916.80 and 700,513.20 is: 1,050,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,611.20 : 1,227,916.80 = 700,513.20 : x
  2. Step 2: Convert to fraction form
    818,611.20/1,227,916.80 = 700,513.20/x
  3. Step 3: Cross multiply
    818,611.20x = 1,227,916.80 × 700,513.20
  4. Step 4: Simplify right side
    818,611.20x = 860,171,926,901.76
  5. Step 5: Solve for x
    x = 860,171,926,901.76/818,611.20
  6. Step 6: Final answer
    x = 1,050,769.80

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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.