Home / 1,213,278.40-1,819,917.60-933,342.40

Finding the Fourth Proportional to 1,213,278.40, 1,819,917.60 and 933,342.40

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Solution

The fourth proportional to 1,213,278.40, 1,819,917.60 and 933,342.40 is: 1,400,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,278.40 : 1,819,917.60 = 933,342.40 : x
  2. Step 2: Convert to fraction form
    1,213,278.40/1,819,917.60 = 933,342.40/x
  3. Step 3: Cross multiply
    1,213,278.40x = 1,819,917.60 × 933,342.40
  4. Step 4: Simplify right side
    1,213,278.40x = 1,698,606,260,586.24
  5. Step 5: Solve for x
    x = 1,698,606,260,586.24/1,213,278.40
  6. Step 6: Final answer
    x = 1,400,013.60

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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.