Home / 1,147,863.31-1,583,623.51-717,980.11

Finding the Fourth Proportional to 1,147,863.31, 1,583,623.51 and 717,980.11

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Solution

The fourth proportional to 1,147,863.31, 1,583,623.51 and 717,980.11 is: 990,544.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,863.31 : 1,583,623.51 = 717,980.11 : x
  2. Step 2: Convert to fraction form
    1,147,863.31/1,583,623.51 = 717,980.11/x
  3. Step 3: Cross multiply
    1,147,863.31x = 1,583,623.51 × 717,980.11
  4. Step 4: Simplify right side
    1,147,863.31x = 1,137,010,181,908.39
  5. Step 5: Solve for x
    x = 1,137,010,181,908.39/1,147,863.31
  6. Step 6: Final answer
    x = 990,544.93

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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.