Home / 1,175,780.41-1,622,601.37-666,482.78

Finding the Fourth Proportional to 1,175,780.41, 1,622,601.37 and 666,482.78

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Solution

The fourth proportional to 1,175,780.41, 1,622,601.37 and 666,482.78 is: 919,760.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,780.41 : 1,622,601.37 = 666,482.78 : x
  2. Step 2: Convert to fraction form
    1,175,780.41/1,622,601.37 = 666,482.78/x
  3. Step 3: Cross multiply
    1,175,780.41x = 1,622,601.37 × 666,482.78
  4. Step 4: Simplify right side
    1,175,780.41x = 1,081,435,873,050.05
  5. Step 5: Solve for x
    x = 1,081,435,873,050.05/1,175,780.41
  6. Step 6: Final answer
    x = 919,760.07

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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.