Home / 1,781,446.60-2,671,910.70-519,142.60

Finding the Fourth Proportional to 1,781,446.60, 2,671,910.70 and 519,142.60

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Solution

The fourth proportional to 1,781,446.60, 2,671,910.70 and 519,142.60 is: 778,638.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,446.60 : 2,671,910.70 = 519,142.60 : x
  2. Step 2: Convert to fraction form
    1,781,446.60/2,671,910.70 = 519,142.60/x
  3. Step 3: Cross multiply
    1,781,446.60x = 2,671,910.70 × 519,142.60
  4. Step 4: Simplify right side
    1,781,446.60x = 1,387,102,667,765.82
  5. Step 5: Solve for x
    x = 1,387,102,667,765.82/1,781,446.60
  6. Step 6: Final answer
    x = 778,638.36

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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.