Home / 1,073,985.60-1,609,135.20-511,809.60

Finding the Fourth Proportional to 1,073,985.60, 1,609,135.20 and 511,809.60

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Solution

The fourth proportional to 1,073,985.60, 1,609,135.20 and 511,809.60 is: 766,836.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,985.60 : 1,609,135.20 = 511,809.60 : x
  2. Step 2: Convert to fraction form
    1,073,985.60/1,609,135.20 = 511,809.60/x
  3. Step 3: Cross multiply
    1,073,985.60x = 1,609,135.20 × 511,809.60
  4. Step 4: Simplify right side
    1,073,985.60x = 823,570,843,057.92
  5. Step 5: Solve for x
    x = 823,570,843,057.92/1,073,985.60
  6. Step 6: Final answer
    x = 766,836.02

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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.