Home / 2,519,764.12-3,779,660.40-626,505.76

Finding the Fourth Proportional to 2,519,764.12, 3,779,660.40 and 626,505.76

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Solution

The fourth proportional to 2,519,764.12, 3,779,660.40 and 626,505.76 is: 939,762.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,764.12 : 3,779,660.40 = 626,505.76 : x
  2. Step 2: Convert to fraction form
    2,519,764.12/3,779,660.40 = 626,505.76/x
  3. Step 3: Cross multiply
    2,519,764.12x = 3,779,660.40 × 626,505.76
  4. Step 4: Simplify right side
    2,519,764.12x = 2,367,979,011,443.90
  5. Step 5: Solve for x
    x = 2,367,979,011,443.90/2,519,764.12
  6. Step 6: Final answer
    x = 939,762.18

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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.