Home / 1,851,814.12-2,777,943.42-653,489

Finding the Fourth Proportional to 1,851,814.12, 2,777,943.42 and 653,489

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Solution

The fourth proportional to 1,851,814.12, 2,777,943.42 and 653,489 is: 980,311.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,814.12 : 2,777,943.42 = 653,489 : x
  2. Step 2: Convert to fraction form
    1,851,814.12/2,777,943.42 = 653,489/x
  3. Step 3: Cross multiply
    1,851,814.12x = 2,777,943.42 × 653,489
  4. Step 4: Simplify right side
    1,851,814.12x = 1,815,355,467,592.38
  5. Step 5: Solve for x
    x = 1,815,355,467,592.38/1,851,814.12
  6. Step 6: Final answer
    x = 980,311.93

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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.