Home / 1,680,786-2,521,200.96-558,855

Finding the Fourth Proportional to 1,680,786, 2,521,200.96 and 558,855

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Solution

The fourth proportional to 1,680,786, 2,521,200.96 and 558,855 is: 838,289.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,786 : 2,521,200.96 = 558,855 : x
  2. Step 2: Convert to fraction form
    1,680,786/2,521,200.96 = 558,855/x
  3. Step 3: Cross multiply
    1,680,786x = 2,521,200.96 × 558,855
  4. Step 4: Simplify right side
    1,680,786x = 1,408,985,762,500.80
  5. Step 5: Solve for x
    x = 1,408,985,762,500.80/1,680,786
  6. Step 6: Final answer
    x = 838,289.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.