Home / 1,161,900.59-1,603,388.12-645,652.89

Finding the Fourth Proportional to 1,161,900.59, 1,603,388.12 and 645,652.89

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Solution

The fourth proportional to 1,161,900.59, 1,603,388.12 and 645,652.89 is: 890,981.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,900.59 : 1,603,388.12 = 645,652.89 : x
  2. Step 2: Convert to fraction form
    1,161,900.59/1,603,388.12 = 645,652.89/x
  3. Step 3: Cross multiply
    1,161,900.59x = 1,603,388.12 × 645,652.89
  4. Step 4: Simplify right side
    1,161,900.59x = 1,035,232,170,241.40
  5. Step 5: Solve for x
    x = 1,035,232,170,241.40/1,161,900.59
  6. Step 6: Final answer
    x = 890,981.71

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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.