Home / 2,519,678.21-3,779,531.19-626,419.67

Finding the Fourth Proportional to 2,519,678.21, 3,779,531.19 and 626,419.67

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Solution

The fourth proportional to 2,519,678.21, 3,779,531.19 and 626,419.67 is: 939,632.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,678.21 : 3,779,531.19 = 626,419.67 : x
  2. Step 2: Convert to fraction form
    2,519,678.21/3,779,531.19 = 626,419.67/x
  3. Step 3: Cross multiply
    2,519,678.21x = 3,779,531.19 × 626,419.67
  4. Step 4: Simplify right side
    2,519,678.21x = 2,367,572,680,794.51
  5. Step 5: Solve for x
    x = 2,367,572,680,794.51/2,519,678.21
  6. Step 6: Final answer
    x = 939,632.95

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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.