Home / 1,504,178-2,075,765.64-825,116.12

Finding the Fourth Proportional to 1,504,178, 2,075,765.64 and 825,116.12

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Solution

The fourth proportional to 1,504,178, 2,075,765.64 and 825,116.12 is: 1,138,660.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504,178 : 2,075,765.64 = 825,116.12 : x
  2. Step 2: Convert to fraction form
    1,504,178/2,075,765.64 = 825,116.12/x
  3. Step 3: Cross multiply
    1,504,178x = 2,075,765.64 × 825,116.12
  4. Step 4: Simplify right side
    1,504,178x = 1,712,747,690,906.12
  5. Step 5: Solve for x
    x = 1,712,747,690,906.12/1,504,178
  6. Step 6: Final answer
    x = 1,138,660.25

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Double scale
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Similar ratio
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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.