Home / 1,116,428.07-1,540,634.70-633,036.27

Finding the Fourth Proportional to 1,116,428.07, 1,540,634.70 and 633,036.27

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Solution

The fourth proportional to 1,116,428.07, 1,540,634.70 and 633,036.27 is: 873,569.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,428.07 : 1,540,634.70 = 633,036.27 : x
  2. Step 2: Convert to fraction form
    1,116,428.07/1,540,634.70 = 633,036.27/x
  3. Step 3: Cross multiply
    1,116,428.07x = 1,540,634.70 × 633,036.27
  4. Step 4: Simplify right side
    1,116,428.07x = 975,277,643,920.57
  5. Step 5: Solve for x
    x = 975,277,643,920.57/1,116,428.07
  6. Step 6: Final answer
    x = 873,569.62

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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.