Home / 1,282,034.53-1,769,261.16-738,156.79

Finding the Fourth Proportional to 1,282,034.53, 1,769,261.16 and 738,156.79

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Solution

The fourth proportional to 1,282,034.53, 1,769,261.16 and 738,156.79 is: 1,018,687.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,034.53 : 1,769,261.16 = 738,156.79 : x
  2. Step 2: Convert to fraction form
    1,282,034.53/1,769,261.16 = 738,156.79/x
  3. Step 3: Cross multiply
    1,282,034.53x = 1,769,261.16 × 738,156.79
  4. Step 4: Simplify right side
    1,282,034.53x = 1,305,992,138,537.28
  5. Step 5: Solve for x
    x = 1,305,992,138,537.28/1,282,034.53
  6. Step 6: Final answer
    x = 1,018,687.18

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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.