Home / 1,222,938.60-1,687,703.82-706,675.38

Finding the Fourth Proportional to 1,222,938.60, 1,687,703.82 and 706,675.38

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Solution

The fourth proportional to 1,222,938.60, 1,687,703.82 and 706,675.38 is: 975,240.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,938.60 : 1,687,703.82 = 706,675.38 : x
  2. Step 2: Convert to fraction form
    1,222,938.60/1,687,703.82 = 706,675.38/x
  3. Step 3: Cross multiply
    1,222,938.60x = 1,687,703.82 × 706,675.38
  4. Step 4: Simplify right side
    1,222,938.60x = 1,192,658,726,354.06
  5. Step 5: Solve for x
    x = 1,192,658,726,354.06/1,222,938.60
  6. Step 6: Final answer
    x = 975,240.07

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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.