Home / 1,681,450.80-2,320,458.12-917,546.28

Finding the Fourth Proportional to 1,681,450.80, 2,320,458.12 and 917,546.28

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Solution

The fourth proportional to 1,681,450.80, 2,320,458.12 and 917,546.28 is: 1,266,244.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,450.80 : 2,320,458.12 = 917,546.28 : x
  2. Step 2: Convert to fraction form
    1,681,450.80/2,320,458.12 = 917,546.28/x
  3. Step 3: Cross multiply
    1,681,450.80x = 2,320,458.12 × 917,546.28
  4. Step 4: Simplify right side
    1,681,450.80x = 2,129,127,715,901.79
  5. Step 5: Solve for x
    x = 2,129,127,715,901.79/1,681,450.80
  6. Step 6: Final answer
    x = 1,266,244.43

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1.5x scale

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.