Home / 1,281,202.11-1,768,329.23-1,066,132.53

Finding the Fourth Proportional to 1,281,202.11, 1,768,329.23 and 1,066,132.53

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Solution

The fourth proportional to 1,281,202.11, 1,768,329.23 and 1,066,132.53 is: 1,471,487.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,202.11 : 1,768,329.23 = 1,066,132.53 : x
  2. Step 2: Convert to fraction form
    1,281,202.11/1,768,329.23 = 1,066,132.53/x
  3. Step 3: Cross multiply
    1,281,202.11x = 1,768,329.23 × 1,066,132.53
  4. Step 4: Simplify right side
    1,281,202.11x = 1,885,273,310,522.19
  5. Step 5: Solve for x
    x = 1,885,273,310,522.19/1,281,202.11
  6. Step 6: Final answer
    x = 1,471,487.83

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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.