Home / 1,412,862.90-2,118,997.89-466,011.78

Finding the Fourth Proportional to 1,412,862.90, 2,118,997.89 and 466,011.78

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Solution

The fourth proportional to 1,412,862.90, 2,118,997.89 and 466,011.78 is: 698,919.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,862.90 : 2,118,997.89 = 466,011.78 : x
  2. Step 2: Convert to fraction form
    1,412,862.90/2,118,997.89 = 466,011.78/x
  3. Step 3: Cross multiply
    1,412,862.90x = 2,118,997.89 × 466,011.78
  4. Step 4: Simplify right side
    1,412,862.90x = 987,477,978,535.14
  5. Step 5: Solve for x
    x = 987,477,978,535.14/1,412,862.90
  6. Step 6: Final answer
    x = 698,919.89

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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.