Home / 1,117,435-1,541,791.38-658,567.84

Finding the Fourth Proportional to 1,117,435, 1,541,791.38 and 658,567.84

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Solution

The fourth proportional to 1,117,435, 1,541,791.38 and 658,567.84 is: 908,665.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,435 : 1,541,791.38 = 658,567.84 : x
  2. Step 2: Convert to fraction form
    1,117,435/1,541,791.38 = 658,567.84/x
  3. Step 3: Cross multiply
    1,117,435x = 1,541,791.38 × 658,567.84
  4. Step 4: Simplify right side
    1,117,435x = 1,015,374,218,857.22
  5. Step 5: Solve for x
    x = 1,015,374,218,857.22/1,117,435
  6. Step 6: Final answer
    x = 908,665.13

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Double scale
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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.