Home / 1,333,438.07-1,840,130.49-721,577.43

Finding the Fourth Proportional to 1,333,438.07, 1,840,130.49 and 721,577.43

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Solution

The fourth proportional to 1,333,438.07, 1,840,130.49 and 721,577.43 is: 995,769.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,438.07 : 1,840,130.49 = 721,577.43 : x
  2. Step 2: Convert to fraction form
    1,333,438.07/1,840,130.49 = 721,577.43/x
  3. Step 3: Cross multiply
    1,333,438.07x = 1,840,130.49 × 721,577.43
  4. Step 4: Simplify right side
    1,333,438.07x = 1,327,796,632,544.76
  5. Step 5: Solve for x
    x = 1,327,796,632,544.76/1,333,438.07
  6. Step 6: Final answer
    x = 995,769.26

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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.