Home / 1,166,640.81-1,609,954.70-650,388.53

Finding the Fourth Proportional to 1,166,640.81, 1,609,954.70 and 650,388.53

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Solution

The fourth proportional to 1,166,640.81, 1,609,954.70 and 650,388.53 is: 897,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,640.81 : 1,609,954.70 = 650,388.53 : x
  2. Step 2: Convert to fraction form
    1,166,640.81/1,609,954.70 = 650,388.53/x
  3. Step 3: Cross multiply
    1,166,640.81x = 1,609,954.70 × 650,388.53
  4. Step 4: Simplify right side
    1,166,640.81x = 1,047,096,059,397.88
  5. Step 5: Solve for x
    x = 1,047,096,059,397.88/1,166,640.81
  6. Step 6: Final answer
    x = 897,530.80

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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.