Home / 1,161,783.30-1,603,305.19-645,575.52

Finding the Fourth Proportional to 1,161,783.30, 1,603,305.19 and 645,575.52

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Solution

The fourth proportional to 1,161,783.30, 1,603,305.19 and 645,575.52 is: 890,918.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,783.30 : 1,603,305.19 = 645,575.52 : x
  2. Step 2: Convert to fraction form
    1,161,783.30/1,603,305.19 = 645,575.52/x
  3. Step 3: Cross multiply
    1,161,783.30x = 1,603,305.19 × 645,575.52
  4. Step 4: Simplify right side
    1,161,783.30x = 1,035,054,579,553.72
  5. Step 5: Solve for x
    x = 1,035,054,579,553.72/1,161,783.30
  6. Step 6: Final answer
    x = 890,918.79

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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.