Home / 1,761,775.95-2,431,452.50-987,615.89

Finding the Fourth Proportional to 1,761,775.95, 2,431,452.50 and 987,615.89

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Solution

The fourth proportional to 1,761,775.95, 2,431,452.50 and 987,615.89 is: 1,363,022.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,775.95 : 2,431,452.50 = 987,615.89 : x
  2. Step 2: Convert to fraction form
    1,761,775.95/2,431,452.50 = 987,615.89/x
  3. Step 3: Cross multiply
    1,761,775.95x = 2,431,452.50 × 987,615.89
  4. Step 4: Simplify right side
    1,761,775.95x = 2,401,341,107,684.88
  5. Step 5: Solve for x
    x = 2,401,341,107,684.88/1,761,775.95
  6. Step 6: Final answer
    x = 1,363,022.98

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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.