Home / 953,429.60-1,315,774.20-545,659.44

Finding the Fourth Proportional to 953,429.60, 1,315,774.20 and 545,659.44

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Solution

The fourth proportional to 953,429.60, 1,315,774.20 and 545,659.44 is: 753,033.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,429.60 : 1,315,774.20 = 545,659.44 : x
  2. Step 2: Convert to fraction form
    953,429.60/1,315,774.20 = 545,659.44/x
  3. Step 3: Cross multiply
    953,429.60x = 1,315,774.20 × 545,659.44
  4. Step 4: Simplify right side
    953,429.60x = 717,964,613,138.45
  5. Step 5: Solve for x
    x = 717,964,613,138.45/953,429.60
  6. Step 6: Final answer
    x = 753,033.69

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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.