Home / 1,665,655.80-2,499,066.90-719,705.40

Finding the Fourth Proportional to 1,665,655.80, 2,499,066.90 and 719,705.40

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Solution

The fourth proportional to 1,665,655.80, 2,499,066.90 and 719,705.40 is: 1,079,810.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,655.80 : 2,499,066.90 = 719,705.40 : x
  2. Step 2: Convert to fraction form
    1,665,655.80/2,499,066.90 = 719,705.40/x
  3. Step 3: Cross multiply
    1,665,655.80x = 2,499,066.90 × 719,705.40
  4. Step 4: Simplify right side
    1,665,655.80x = 1,798,591,942,891.26
  5. Step 5: Solve for x
    x = 1,798,591,942,891.26/1,665,655.80
  6. Step 6: Final answer
    x = 1,079,810.09

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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.