Home / 1,119,877.86-1,545,470.37-636,463.38

Finding the Fourth Proportional to 1,119,877.86, 1,545,470.37 and 636,463.38

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Solution

The fourth proportional to 1,119,877.86, 1,545,470.37 and 636,463.38 is: 878,341.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,877.86 : 1,545,470.37 = 636,463.38 : x
  2. Step 2: Convert to fraction form
    1,119,877.86/1,545,470.37 = 636,463.38/x
  3. Step 3: Cross multiply
    1,119,877.86x = 1,545,470.37 × 636,463.38
  4. Step 4: Simplify right side
    1,119,877.86x = 983,635,295,380.05
  5. Step 5: Solve for x
    x = 983,635,295,380.05/1,119,877.86
  6. Step 6: Final answer
    x = 878,341.59

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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.