Home / 939,770.56-1,296,850.48-510,042.08

Finding the Fourth Proportional to 939,770.56, 1,296,850.48 and 510,042.08

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Solution

The fourth proportional to 939,770.56, 1,296,850.48 and 510,042.08 is: 703,840.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,770.56 : 1,296,850.48 = 510,042.08 : x
  2. Step 2: Convert to fraction form
    939,770.56/1,296,850.48 = 510,042.08/x
  3. Step 3: Cross multiply
    939,770.56x = 1,296,850.48 × 510,042.08
  4. Step 4: Simplify right side
    939,770.56x = 661,448,316,268.20
  5. Step 5: Solve for x
    x = 661,448,316,268.20/939,770.56
  6. Step 6: Final answer
    x = 703,840.22

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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.