Home / 1,190,463.90-1,642,852.22-646,610.30

Finding the Fourth Proportional to 1,190,463.90, 1,642,852.22 and 646,610.30

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Solution

The fourth proportional to 1,190,463.90, 1,642,852.22 and 646,610.30 is: 892,328.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,463.90 : 1,642,852.22 = 646,610.30 : x
  2. Step 2: Convert to fraction form
    1,190,463.90/1,642,852.22 = 646,610.30/x
  3. Step 3: Cross multiply
    1,190,463.90x = 1,642,852.22 × 646,610.30
  4. Step 4: Simplify right side
    1,190,463.90x = 1,062,285,166,829.87
  5. Step 5: Solve for x
    x = 1,062,285,166,829.87/1,190,463.90
  6. Step 6: Final answer
    x = 892,328.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.