Home / 1,225,464-1,834,265.53-655,419.72

Finding the Fourth Proportional to 1,225,464, 1,834,265.53 and 655,419.72

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Solution

The fourth proportional to 1,225,464, 1,834,265.53 and 655,419.72 is: 981,027.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,464 : 1,834,265.53 = 655,419.72 : x
  2. Step 2: Convert to fraction form
    1,225,464/1,834,265.53 = 655,419.72/x
  3. Step 3: Cross multiply
    1,225,464x = 1,834,265.53 × 655,419.72
  4. Step 4: Simplify right side
    1,225,464x = 1,202,213,800,078.25
  5. Step 5: Solve for x
    x = 1,202,213,800,078.25/1,225,464
  6. Step 6: Final answer
    x = 981,027.43

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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.