Home / 1,319,853.82-1,821,387.64-716,241.82

Finding the Fourth Proportional to 1,319,853.82, 1,821,387.64 and 716,241.82

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Solution

The fourth proportional to 1,319,853.82, 1,821,387.64 and 716,241.82 is: 988,407.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,853.82 : 1,821,387.64 = 716,241.82 : x
  2. Step 2: Convert to fraction form
    1,319,853.82/1,821,387.64 = 716,241.82/x
  3. Step 3: Cross multiply
    1,319,853.82x = 1,821,387.64 × 716,241.82
  4. Step 4: Simplify right side
    1,319,853.82x = 1,304,553,985,510.96
  5. Step 5: Solve for x
    x = 1,304,553,985,510.96/1,319,853.82
  6. Step 6: Final answer
    x = 988,407.94

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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.