Home / 1,152,703.80-1,729,055.70-1,082,662.20

Finding the Fourth Proportional to 1,152,703.80, 1,729,055.70 and 1,082,662.20

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Solution

The fourth proportional to 1,152,703.80, 1,729,055.70 and 1,082,662.20 is: 1,623,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,703.80 : 1,729,055.70 = 1,082,662.20 : x
  2. Step 2: Convert to fraction form
    1,152,703.80/1,729,055.70 = 1,082,662.20/x
  3. Step 3: Cross multiply
    1,152,703.80x = 1,729,055.70 × 1,082,662.20
  4. Step 4: Simplify right side
    1,152,703.80x = 1,871,983,248,084.54
  5. Step 5: Solve for x
    x = 1,871,983,248,084.54/1,152,703.80
  6. Step 6: Final answer
    x = 1,623,993.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.