Home / 998,304.93-1,377,905.72-568,838.88

Finding the Fourth Proportional to 998,304.93, 1,377,905.72 and 568,838.88

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Solution

The fourth proportional to 998,304.93, 1,377,905.72 and 568,838.88 is: 785,137.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,304.93 : 1,377,905.72 = 568,838.88 : x
  2. Step 2: Convert to fraction form
    998,304.93/1,377,905.72 = 568,838.88/x
  3. Step 3: Cross multiply
    998,304.93x = 1,377,905.72 × 568,838.88
  4. Step 4: Simplify right side
    998,304.93x = 783,806,343,666.20
  5. Step 5: Solve for x
    x = 783,806,343,666.20/998,304.93
  6. Step 6: Final answer
    x = 785,137.21

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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.