Home / 939,842.01-1,296,984.42-510,122.16

Finding the Fourth Proportional to 939,842.01, 1,296,984.42 and 510,122.16

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Solution

The fourth proportional to 939,842.01, 1,296,984.42 and 510,122.16 is: 703,969.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,842.01 : 1,296,984.42 = 510,122.16 : x
  2. Step 2: Convert to fraction form
    939,842.01/1,296,984.42 = 510,122.16/x
  3. Step 3: Cross multiply
    939,842.01x = 1,296,984.42 × 510,122.16
  4. Step 4: Simplify right side
    939,842.01x = 661,620,493,816.75
  5. Step 5: Solve for x
    x = 661,620,493,816.75/939,842.01
  6. Step 6: Final answer
    x = 703,969.91

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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.