Home / 1,222,308.73-1,686,787.14-732,562.72

Finding the Fourth Proportional to 1,222,308.73, 1,686,787.14 and 732,562.72

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Solution

The fourth proportional to 1,222,308.73, 1,686,787.14 and 732,562.72 is: 1,010,937.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,308.73 : 1,686,787.14 = 732,562.72 : x
  2. Step 2: Convert to fraction form
    1,222,308.73/1,686,787.14 = 732,562.72/x
  3. Step 3: Cross multiply
    1,222,308.73x = 1,686,787.14 × 732,562.72
  4. Step 4: Simplify right side
    1,222,308.73x = 1,235,677,375,339.42
  5. Step 5: Solve for x
    x = 1,235,677,375,339.42/1,222,308.73
  6. Step 6: Final answer
    x = 1,010,937.21

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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.