Home / 1,249,046.44-1,873,765.50-407,403.88

Finding the Fourth Proportional to 1,249,046.44, 1,873,765.50 and 407,403.88

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Solution

The fourth proportional to 1,249,046.44, 1,873,765.50 and 407,403.88 is: 611,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,046.44 : 1,873,765.50 = 407,403.88 : x
  2. Step 2: Convert to fraction form
    1,249,046.44/1,873,765.50 = 407,403.88/x
  3. Step 3: Cross multiply
    1,249,046.44x = 1,873,765.50 × 407,403.88
  4. Step 4: Simplify right side
    1,249,046.44x = 763,379,334,910.14
  5. Step 5: Solve for x
    x = 763,379,334,910.14/1,249,046.44
  6. Step 6: Final answer
    x = 611,169.70

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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.