Home / 1,781,495.72-2,672,686.46-519,334.44

Finding the Fourth Proportional to 1,781,495.72, 2,672,686.46 and 519,334.44

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Solution

The fourth proportional to 1,781,495.72, 2,672,686.46 and 519,334.44 is: 779,130.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,495.72 : 2,672,686.46 = 519,334.44 : x
  2. Step 2: Convert to fraction form
    1,781,495.72/2,672,686.46 = 519,334.44/x
  3. Step 3: Cross multiply
    1,781,495.72x = 2,672,686.46 × 519,334.44
  4. Step 4: Simplify right side
    1,781,495.72x = 1,388,018,125,999.68
  5. Step 5: Solve for x
    x = 1,388,018,125,999.68/1,781,495.72
  6. Step 6: Final answer
    x = 779,130.77

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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.