Home / 1,319,812.82-1,821,341.69-716,200.82

Finding the Fourth Proportional to 1,319,812.82, 1,821,341.69 and 716,200.82

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Solution

The fourth proportional to 1,319,812.82, 1,821,341.69 and 716,200.82 is: 988,357.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,812.82 : 1,821,341.69 = 716,200.82 : x
  2. Step 2: Convert to fraction form
    1,319,812.82/1,821,341.69 = 716,200.82/x
  3. Step 3: Cross multiply
    1,319,812.82x = 1,821,341.69 × 716,200.82
  4. Step 4: Simplify right side
    1,319,812.82x = 1,304,446,399,190.47
  5. Step 5: Solve for x
    x = 1,304,446,399,190.47/1,319,812.82
  6. Step 6: Final answer
    x = 988,357.12

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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.