Home / 1,409,796-2,113,999.56-511,102.92

Finding the Fourth Proportional to 1,409,796, 2,113,999.56 and 511,102.92

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Solution

The fourth proportional to 1,409,796, 2,113,999.56 and 511,102.92 is: 766,402.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,796 : 2,113,999.56 = 511,102.92 : x
  2. Step 2: Convert to fraction form
    1,409,796/2,113,999.56 = 511,102.92/x
  3. Step 3: Cross multiply
    1,409,796x = 2,113,999.56 × 511,102.92
  4. Step 4: Simplify right side
    1,409,796x = 1,080,471,347,994.72
  5. Step 5: Solve for x
    x = 1,080,471,347,994.72/1,409,796
  6. Step 6: Final answer
    x = 766,402.62

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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.