Home / 1,085,897.60-1,627,878.48-412,451.82

Finding the Fourth Proportional to 1,085,897.60, 1,627,878.48 and 412,451.82

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Solution

The fourth proportional to 1,085,897.60, 1,627,878.48 and 412,451.82 is: 618,310.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,897.60 : 1,627,878.48 = 412,451.82 : x
  2. Step 2: Convert to fraction form
    1,085,897.60/1,627,878.48 = 412,451.82/x
  3. Step 3: Cross multiply
    1,085,897.60x = 1,627,878.48 × 412,451.82
  4. Step 4: Simplify right side
    1,085,897.60x = 671,421,441,814.83
  5. Step 5: Solve for x
    x = 671,421,441,814.83/1,085,897.60
  6. Step 6: Final answer
    x = 618,310.09

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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.