Home / 1,173,199.86-1,619,015.82-636,655.86

Finding the Fourth Proportional to 1,173,199.86, 1,619,015.82 and 636,655.86

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Solution

The fourth proportional to 1,173,199.86, 1,619,015.82 and 636,655.86 is: 878,585.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,199.86 : 1,619,015.82 = 636,655.86 : x
  2. Step 2: Convert to fraction form
    1,173,199.86/1,619,015.82 = 636,655.86/x
  3. Step 3: Cross multiply
    1,173,199.86x = 1,619,015.82 × 636,655.86
  4. Step 4: Simplify right side
    1,173,199.86x = 1,030,755,909,235.71
  5. Step 5: Solve for x
    x = 1,030,755,909,235.71/1,173,199.86
  6. Step 6: Final answer
    x = 878,585.09

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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.