Home / 1,437,109.86-2,155,789.28-526,539.65

Finding the Fourth Proportional to 1,437,109.86, 2,155,789.28 and 526,539.65

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Solution

The fourth proportional to 1,437,109.86, 2,155,789.28 and 526,539.65 is: 789,855.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,109.86 : 2,155,789.28 = 526,539.65 : x
  2. Step 2: Convert to fraction form
    1,437,109.86/2,155,789.28 = 526,539.65/x
  3. Step 3: Cross multiply
    1,437,109.86x = 2,155,789.28 × 526,539.65
  4. Step 4: Simplify right side
    1,437,109.86x = 1,135,108,519,553.31
  5. Step 5: Solve for x
    x = 1,135,108,519,553.31/1,437,109.86
  6. Step 6: Final answer
    x = 789,855.08

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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.