Home / 1,676,847.78-2,515,312.95-611,889.57

Finding the Fourth Proportional to 1,676,847.78, 2,515,312.95 and 611,889.57

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Solution

The fourth proportional to 1,676,847.78, 2,515,312.95 and 611,889.57 is: 917,849.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,847.78 : 2,515,312.95 = 611,889.57 : x
  2. Step 2: Convert to fraction form
    1,676,847.78/2,515,312.95 = 611,889.57/x
  3. Step 3: Cross multiply
    1,676,847.78x = 2,515,312.95 × 611,889.57
  4. Step 4: Simplify right side
    1,676,847.78x = 1,539,093,759,390.93
  5. Step 5: Solve for x
    x = 1,539,093,759,390.93/1,676,847.78
  6. Step 6: Final answer
    x = 917,849.42

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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.