Home / 776,009.11-1,070,884.83-431,839.14

Finding the Fourth Proportional to 776,009.11, 1,070,884.83 and 431,839.14

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Solution

The fourth proportional to 776,009.11, 1,070,884.83 and 431,839.14 is: 595,933.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,009.11 : 1,070,884.83 = 431,839.14 : x
  2. Step 2: Convert to fraction form
    776,009.11/1,070,884.83 = 431,839.14/x
  3. Step 3: Cross multiply
    776,009.11x = 1,070,884.83 × 431,839.14
  4. Step 4: Simplify right side
    776,009.11x = 462,449,984,026.25
  5. Step 5: Solve for x
    x = 462,449,984,026.25/776,009.11
  6. Step 6: Final answer
    x = 595,933.71

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Double scale
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1.5x scale

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.