Home / 1,872,362.61-2,808,669.72-657,791.55

Finding the Fourth Proportional to 1,872,362.61, 2,808,669.72 and 657,791.55

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Solution

The fourth proportional to 1,872,362.61, 2,808,669.72 and 657,791.55 is: 986,731.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,362.61 : 2,808,669.72 = 657,791.55 : x
  2. Step 2: Convert to fraction form
    1,872,362.61/2,808,669.72 = 657,791.55/x
  3. Step 3: Cross multiply
    1,872,362.61x = 2,808,669.72 × 657,791.55
  4. Step 4: Simplify right side
    1,872,362.61x = 1,847,519,208,556.87
  5. Step 5: Solve for x
    x = 1,847,519,208,556.87/1,872,362.61
  6. Step 6: Final answer
    x = 986,731.52

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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.