Home / 1,226,459.27-1,691,065.45-839,461.52

Finding the Fourth Proportional to 1,226,459.27, 1,691,065.45 and 839,461.52

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Solution

The fourth proportional to 1,226,459.27, 1,691,065.45 and 839,461.52 is: 1,157,465.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,459.27 : 1,691,065.45 = 839,461.52 : x
  2. Step 2: Convert to fraction form
    1,226,459.27/1,691,065.45 = 839,461.52/x
  3. Step 3: Cross multiply
    1,226,459.27x = 1,691,065.45 × 839,461.52
  4. Step 4: Simplify right side
    1,226,459.27x = 1,419,584,378,353.47
  5. Step 5: Solve for x
    x = 1,419,584,378,353.47/1,226,459.27
  6. Step 6: Final answer
    x = 1,157,465.57

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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.