Home / 1,004,999.69-1,387,118.32-618,147.61

Finding the Fourth Proportional to 1,004,999.69, 1,387,118.32 and 618,147.61

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Solution

The fourth proportional to 1,004,999.69, 1,387,118.32 and 618,147.61 is: 853,178.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,999.69 : 1,387,118.32 = 618,147.61 : x
  2. Step 2: Convert to fraction form
    1,004,999.69/1,387,118.32 = 618,147.61/x
  3. Step 3: Cross multiply
    1,004,999.69x = 1,387,118.32 × 618,147.61
  4. Step 4: Simplify right side
    1,004,999.69x = 857,443,869,282.05
  5. Step 5: Solve for x
    x = 857,443,869,282.05/1,004,999.69
  6. Step 6: Final answer
    x = 853,178.24

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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.