Home / 1,678,918.11-2,316,839.40-914,955.27

Finding the Fourth Proportional to 1,678,918.11, 2,316,839.40 and 914,955.27

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Solution

The fourth proportional to 1,678,918.11, 2,316,839.40 and 914,955.27 is: 1,262,601.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,918.11 : 2,316,839.40 = 914,955.27 : x
  2. Step 2: Convert to fraction form
    1,678,918.11/2,316,839.40 = 914,955.27/x
  3. Step 3: Cross multiply
    1,678,918.11x = 2,316,839.40 × 914,955.27
  4. Step 4: Simplify right side
    1,678,918.11x = 2,119,804,418,773.64
  5. Step 5: Solve for x
    x = 2,119,804,418,773.64/1,678,918.11
  6. Step 6: Final answer
    x = 1,262,601.44

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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.