Home / 1,285,191.90-1,927,241.37-526,509.18

Finding the Fourth Proportional to 1,285,191.90, 1,927,241.37 and 526,509.18

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Solution

The fourth proportional to 1,285,191.90, 1,927,241.37 and 526,509.18 is: 789,539.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,191.90 : 1,927,241.37 = 526,509.18 : x
  2. Step 2: Convert to fraction form
    1,285,191.90/1,927,241.37 = 526,509.18/x
  3. Step 3: Cross multiply
    1,285,191.90x = 1,927,241.37 × 526,509.18
  4. Step 4: Simplify right side
    1,285,191.90x = 1,014,710,273,380.78
  5. Step 5: Solve for x
    x = 1,014,710,273,380.78/1,285,191.90
  6. Step 6: Final answer
    x = 789,539.89

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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.