Home / 1,669,844.40-2,304,386.12-905,897.88

Finding the Fourth Proportional to 1,669,844.40, 2,304,386.12 and 905,897.88

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Solution

The fourth proportional to 1,669,844.40, 2,304,386.12 and 905,897.88 is: 1,250,139.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,844.40 : 2,304,386.12 = 905,897.88 : x
  2. Step 2: Convert to fraction form
    1,669,844.40/2,304,386.12 = 905,897.88/x
  3. Step 3: Cross multiply
    1,669,844.40x = 2,304,386.12 × 905,897.88
  4. Step 4: Simplify right side
    1,669,844.40x = 2,087,538,500,809.43
  5. Step 5: Solve for x
    x = 2,087,538,500,809.43/1,669,844.40
  6. Step 6: Final answer
    x = 1,250,139.53

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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.