Home / 1,166,985.60-1,750,478.40-419,107.20

Finding the Fourth Proportional to 1,166,985.60, 1,750,478.40 and 419,107.20

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Solution

The fourth proportional to 1,166,985.60, 1,750,478.40 and 419,107.20 is: 628,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,985.60 : 1,750,478.40 = 419,107.20 : x
  2. Step 2: Convert to fraction form
    1,166,985.60/1,750,478.40 = 419,107.20/x
  3. Step 3: Cross multiply
    1,166,985.60x = 1,750,478.40 × 419,107.20
  4. Step 4: Simplify right side
    1,166,985.60x = 733,638,100,884.48
  5. Step 5: Solve for x
    x = 733,638,100,884.48/1,166,985.60
  6. Step 6: Final answer
    x = 628,660.80

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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.