Home / 1,434,404.96-2,150,985.36-487,521.44

Finding the Fourth Proportional to 1,434,404.96, 2,150,985.36 and 487,521.44

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Solution

The fourth proportional to 1,434,404.96, 2,150,985.36 and 487,521.44 is: 731,070.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,404.96 : 2,150,985.36 = 487,521.44 : x
  2. Step 2: Convert to fraction form
    1,434,404.96/2,150,985.36 = 487,521.44/x
  3. Step 3: Cross multiply
    1,434,404.96x = 2,150,985.36 × 487,521.44
  4. Step 4: Simplify right side
    1,434,404.96x = 1,048,651,480,126.12
  5. Step 5: Solve for x
    x = 1,048,651,480,126.12/1,434,404.96
  6. Step 6: Final answer
    x = 731,070.73

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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.