Home / 1,576,436.88-2,364,987.42-511,395.78

Finding the Fourth Proportional to 1,576,436.88, 2,364,987.42 and 511,395.78

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Solution

The fourth proportional to 1,576,436.88, 2,364,987.42 and 511,395.78 is: 767,201.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,436.88 : 2,364,987.42 = 511,395.78 : x
  2. Step 2: Convert to fraction form
    1,576,436.88/2,364,987.42 = 511,395.78/x
  3. Step 3: Cross multiply
    1,576,436.88x = 2,364,987.42 × 511,395.78
  4. Step 4: Simplify right side
    1,576,436.88x = 1,209,444,586,341.09
  5. Step 5: Solve for x
    x = 1,209,444,586,341.09/1,576,436.88
  6. Step 6: Final answer
    x = 767,201.40

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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.