Home / 1,155,841.11-1,595,229.95-665,716.42

Finding the Fourth Proportional to 1,155,841.11, 1,595,229.95 and 665,716.42

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Solution

The fourth proportional to 1,155,841.11, 1,595,229.95 and 665,716.42 is: 918,786.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,841.11 : 1,595,229.95 = 665,716.42 : x
  2. Step 2: Convert to fraction form
    1,155,841.11/1,595,229.95 = 665,716.42/x
  3. Step 3: Cross multiply
    1,155,841.11x = 1,595,229.95 × 665,716.42
  4. Step 4: Simplify right side
    1,155,841.11x = 1,061,970,771,304.45
  5. Step 5: Solve for x
    x = 1,061,970,771,304.45/1,155,841.11
  6. Step 6: Final answer
    x = 918,786.12

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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.