Home / 939,785.92-1,296,905.88-510,066.04

Finding the Fourth Proportional to 939,785.92, 1,296,905.88 and 510,066.04

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Solution

The fourth proportional to 939,785.92, 1,296,905.88 and 510,066.04 is: 703,891.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,785.92 : 1,296,905.88 = 510,066.04 : x
  2. Step 2: Convert to fraction form
    939,785.92/1,296,905.88 = 510,066.04/x
  3. Step 3: Cross multiply
    939,785.92x = 1,296,905.88 × 510,066.04
  4. Step 4: Simplify right side
    939,785.92x = 661,507,646,464.32
  5. Step 5: Solve for x
    x = 661,507,646,464.32/939,785.92
  6. Step 6: Final answer
    x = 703,891.85

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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.