Home / 1,861,905.79-2,793,077.42-663,998.41

Finding the Fourth Proportional to 1,861,905.79, 2,793,077.42 and 663,998.41

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Solution

The fourth proportional to 1,861,905.79, 2,793,077.42 and 663,998.41 is: 996,075.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,905.79 : 2,793,077.42 = 663,998.41 : x
  2. Step 2: Convert to fraction form
    1,861,905.79/2,793,077.42 = 663,998.41/x
  3. Step 3: Cross multiply
    1,861,905.79x = 2,793,077.42 × 663,998.41
  4. Step 4: Simplify right side
    1,861,905.79x = 1,854,598,962,566.91
  5. Step 5: Solve for x
    x = 1,854,598,962,566.91/1,861,905.79
  6. Step 6: Final answer
    x = 996,075.62

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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.