Home / 1,119,798.35-1,545,321.66-636,364.43

Finding the Fourth Proportional to 1,119,798.35, 1,545,321.66 and 636,364.43

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Solution

The fourth proportional to 1,119,798.35, 1,545,321.66 and 636,364.43 is: 878,182.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,798.35 : 1,545,321.66 = 636,364.43 : x
  2. Step 2: Convert to fraction form
    1,119,798.35/1,545,321.66 = 636,364.43/x
  3. Step 3: Cross multiply
    1,119,798.35x = 1,545,321.66 × 636,364.43
  4. Step 4: Simplify right side
    1,119,798.35x = 983,387,729,605.95
  5. Step 5: Solve for x
    x = 983,387,729,605.95/1,119,798.35
  6. Step 6: Final answer
    x = 878,182.87

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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.