Home / 1,219,854.62-1,683,403.32-675,999.36

Finding the Fourth Proportional to 1,219,854.62, 1,683,403.32 and 675,999.36

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Solution

The fourth proportional to 1,219,854.62, 1,683,403.32 and 675,999.36 is: 932,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,854.62 : 1,683,403.32 = 675,999.36 : x
  2. Step 2: Convert to fraction form
    1,219,854.62/1,683,403.32 = 675,999.36/x
  3. Step 3: Cross multiply
    1,219,854.62x = 1,683,403.32 × 675,999.36
  4. Step 4: Simplify right side
    1,219,854.62x = 1,137,979,566,941.88
  5. Step 5: Solve for x
    x = 1,137,979,566,941.88/1,219,854.62
  6. Step 6: Final answer
    x = 932,881.30

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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.