Home / 1,291,561.12-1,937,322.20-581,087.44

Finding the Fourth Proportional to 1,291,561.12, 1,937,322.20 and 581,087.44

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Solution

The fourth proportional to 1,291,561.12, 1,937,322.20 and 581,087.44 is: 871,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,561.12 : 1,937,322.20 = 581,087.44 : x
  2. Step 2: Convert to fraction form
    1,291,561.12/1,937,322.20 = 581,087.44/x
  3. Step 3: Cross multiply
    1,291,561.12x = 1,937,322.20 × 581,087.44
  4. Step 4: Simplify right side
    1,291,561.12x = 1,125,753,597,653.17
  5. Step 5: Solve for x
    x = 1,125,753,597,653.17/1,291,561.12
  6. Step 6: Final answer
    x = 871,622.40

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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.