Home / 1,181,114.92-1,629,938.12-644,570.92

Finding the Fourth Proportional to 1,181,114.92, 1,629,938.12 and 644,570.92

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Solution

The fourth proportional to 1,181,114.92, 1,629,938.12 and 644,570.92 is: 889,507.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,114.92 : 1,629,938.12 = 644,570.92 : x
  2. Step 2: Convert to fraction form
    1,181,114.92/1,629,938.12 = 644,570.92/x
  3. Step 3: Cross multiply
    1,181,114.92x = 1,629,938.12 × 644,570.92
  4. Step 4: Simplify right side
    1,181,114.92x = 1,050,610,713,551.47
  5. Step 5: Solve for x
    x = 1,050,610,713,551.47/1,181,114.92
  6. Step 6: Final answer
    x = 889,507.61

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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.