Home / 1,222,473.10-1,687,188.32-732,461.96

Finding the Fourth Proportional to 1,222,473.10, 1,687,188.32 and 732,461.96

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Solution

The fourth proportional to 1,222,473.10, 1,687,188.32 and 732,461.96 is: 1,010,902.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,473.10 : 1,687,188.32 = 732,461.96 : x
  2. Step 2: Convert to fraction form
    1,222,473.10/1,687,188.32 = 732,461.96/x
  3. Step 3: Cross multiply
    1,222,473.10x = 1,687,188.32 × 732,461.96
  4. Step 4: Simplify right side
    1,222,473.10x = 1,235,801,263,756.31
  5. Step 5: Solve for x
    x = 1,235,801,263,756.31/1,222,473.10
  6. Step 6: Final answer
    x = 1,010,902.62

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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.