Home / 1,333,648.77-1,840,433.14-721,801.17

Finding the Fourth Proportional to 1,333,648.77, 1,840,433.14 and 721,801.17

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Solution

The fourth proportional to 1,333,648.77, 1,840,433.14 and 721,801.17 is: 996,084.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,648.77 : 1,840,433.14 = 721,801.17 : x
  2. Step 2: Convert to fraction form
    1,333,648.77/1,840,433.14 = 721,801.17/x
  3. Step 3: Cross multiply
    1,333,648.77x = 1,840,433.14 × 721,801.17
  4. Step 4: Simplify right side
    1,333,648.77x = 1,328,426,793,758.77
  5. Step 5: Solve for x
    x = 1,328,426,793,758.77/1,333,648.77
  6. Step 6: Final answer
    x = 996,084.44

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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.