Home / 1,236,907.40-1,853,978.70-526,814.60

Finding the Fourth Proportional to 1,236,907.40, 1,853,978.70 and 526,814.60

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Solution

The fourth proportional to 1,236,907.40, 1,853,978.70 and 526,814.60 is: 789,633.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,907.40 : 1,853,978.70 = 526,814.60 : x
  2. Step 2: Convert to fraction form
    1,236,907.40/1,853,978.70 = 526,814.60/x
  3. Step 3: Cross multiply
    1,236,907.40x = 1,853,978.70 × 526,814.60
  4. Step 4: Simplify right side
    1,236,907.40x = 976,703,047,249.02
  5. Step 5: Solve for x
    x = 976,703,047,249.02/1,236,907.40
  6. Step 6: Final answer
    x = 789,633.12

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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.