Home / 913,968.36-1,261,097.10-574,239.78

Finding the Fourth Proportional to 913,968.36, 1,261,097.10 and 574,239.78

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Solution

The fourth proportional to 913,968.36, 1,261,097.10 and 574,239.78 is: 792,338.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,968.36 : 1,261,097.10 = 574,239.78 : x
  2. Step 2: Convert to fraction form
    913,968.36/1,261,097.10 = 574,239.78/x
  3. Step 3: Cross multiply
    913,968.36x = 1,261,097.10 × 574,239.78
  4. Step 4: Simplify right side
    913,968.36x = 724,172,121,262.64
  5. Step 5: Solve for x
    x = 724,172,121,262.64/913,968.36
  6. Step 6: Final answer
    x = 792,338.28

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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.