Home / 1,779,018.95-2,667,976.13-641,633.30

Finding the Fourth Proportional to 1,779,018.95, 2,667,976.13 and 641,633.30

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Solution

The fourth proportional to 1,779,018.95, 2,667,976.13 and 641,633.30 is: 962,250.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,018.95 : 2,667,976.13 = 641,633.30 : x
  2. Step 2: Convert to fraction form
    1,779,018.95/2,667,976.13 = 641,633.30/x
  3. Step 3: Cross multiply
    1,779,018.95x = 2,667,976.13 × 641,633.30
  4. Step 4: Simplify right side
    1,779,018.95x = 1,711,862,323,273.05
  5. Step 5: Solve for x
    x = 1,711,862,323,273.05/1,779,018.95
  6. Step 6: Final answer
    x = 962,250.75

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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.