Home / 1,218,781.44-1,827,052.47-419,873.04

Finding the Fourth Proportional to 1,218,781.44, 1,827,052.47 and 419,873.04

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Solution

The fourth proportional to 1,218,781.44, 1,827,052.47 and 419,873.04 is: 629,423.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,781.44 : 1,827,052.47 = 419,873.04 : x
  2. Step 2: Convert to fraction form
    1,218,781.44/1,827,052.47 = 419,873.04/x
  3. Step 3: Cross multiply
    1,218,781.44x = 1,827,052.47 × 419,873.04
  4. Step 4: Simplify right side
    1,218,781.44x = 767,130,074,818.41
  5. Step 5: Solve for x
    x = 767,130,074,818.41/1,218,781.44
  6. Step 6: Final answer
    x = 629,423.82

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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.