Home / 1,296,011.85-1,944,017.78-792,127.05

Finding the Fourth Proportional to 1,296,011.85, 1,944,017.78 and 792,127.05

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Solution

The fourth proportional to 1,296,011.85, 1,944,017.78 and 792,127.05 is: 1,188,190.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,011.85 : 1,944,017.78 = 792,127.05 : x
  2. Step 2: Convert to fraction form
    1,296,011.85/1,944,017.78 = 792,127.05/x
  3. Step 3: Cross multiply
    1,296,011.85x = 1,944,017.78 × 792,127.05
  4. Step 4: Simplify right side
    1,296,011.85x = 1,539,909,065,258.31
  5. Step 5: Solve for x
    x = 1,539,909,065,258.31/1,296,011.85
  6. Step 6: Final answer
    x = 1,188,190.58

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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.