Home / 1,779,639.70-2,669,059.80-819,174.90

Finding the Fourth Proportional to 1,779,639.70, 2,669,059.80 and 819,174.90

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Solution

The fourth proportional to 1,779,639.70, 2,669,059.80 and 819,174.90 is: 1,228,578.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,639.70 : 2,669,059.80 = 819,174.90 : x
  2. Step 2: Convert to fraction form
    1,779,639.70/2,669,059.80 = 819,174.90/x
  3. Step 3: Cross multiply
    1,779,639.70x = 2,669,059.80 × 819,174.90
  4. Step 4: Simplify right side
    1,779,639.70x = 2,186,426,794,759.02
  5. Step 5: Solve for x
    x = 2,186,426,794,759.02/1,779,639.70
  6. Step 6: Final answer
    x = 1,228,578.34

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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.