Home / 1,222,926.39-1,687,686.98-706,663.17

Finding the Fourth Proportional to 1,222,926.39, 1,687,686.98 and 706,663.17

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Solution

The fourth proportional to 1,222,926.39, 1,687,686.98 and 706,663.17 is: 975,223.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,926.39 : 1,687,686.98 = 706,663.17 : x
  2. Step 2: Convert to fraction form
    1,222,926.39/1,687,686.98 = 706,663.17/x
  3. Step 3: Cross multiply
    1,222,926.39x = 1,687,686.98 × 706,663.17
  4. Step 4: Simplify right side
    1,222,926.39x = 1,192,626,227,721.21
  5. Step 5: Solve for x
    x = 1,192,626,227,721.21/1,222,926.39
  6. Step 6: Final answer
    x = 975,223.23

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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.