Home / 1,388,277.90-2,082,910.06-619,705.95

Finding the Fourth Proportional to 1,388,277.90, 2,082,910.06 and 619,705.95

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Solution

The fourth proportional to 1,388,277.90, 2,082,910.06 and 619,705.95 is: 929,779.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,277.90 : 2,082,910.06 = 619,705.95 : x
  2. Step 2: Convert to fraction form
    1,388,277.90/2,082,910.06 = 619,705.95/x
  3. Step 3: Cross multiply
    1,388,277.90x = 2,082,910.06 × 619,705.95
  4. Step 4: Simplify right side
    1,388,277.90x = 1,290,791,766,848.96
  5. Step 5: Solve for x
    x = 1,290,791,766,848.96/1,388,277.90
  6. Step 6: Final answer
    x = 929,779.10

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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.