Home / 1,400,706.85-1,933,027.01-780,567.75

Finding the Fourth Proportional to 1,400,706.85, 1,933,027.01 and 780,567.75

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Solution

The fourth proportional to 1,400,706.85, 1,933,027.01 and 780,567.75 is: 1,077,212.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,706.85 : 1,933,027.01 = 780,567.75 : x
  2. Step 2: Convert to fraction form
    1,400,706.85/1,933,027.01 = 780,567.75/x
  3. Step 3: Cross multiply
    1,400,706.85x = 1,933,027.01 × 780,567.75
  4. Step 4: Simplify right side
    1,400,706.85x = 1,508,858,534,219.79
  5. Step 5: Solve for x
    x = 1,508,858,534,219.79/1,400,706.85
  6. Step 6: Final answer
    x = 1,077,212.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.