Home / 1,403,776.88-1,937,138.52-791,911.60

Finding the Fourth Proportional to 1,403,776.88, 1,937,138.52 and 791,911.60

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Solution

The fourth proportional to 1,403,776.88, 1,937,138.52 and 791,911.60 is: 1,092,796.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,776.88 : 1,937,138.52 = 791,911.60 : x
  2. Step 2: Convert to fraction form
    1,403,776.88/1,937,138.52 = 791,911.60/x
  3. Step 3: Cross multiply
    1,403,776.88x = 1,937,138.52 × 791,911.60
  4. Step 4: Simplify right side
    1,403,776.88x = 1,534,042,464,794.83
  5. Step 5: Solve for x
    x = 1,534,042,464,794.83/1,403,776.88
  6. Step 6: Final answer
    x = 1,092,796.50

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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.