Home / 1,519,389.47-2,278,242.82-621,461.75

Finding the Fourth Proportional to 1,519,389.47, 2,278,242.82 and 621,461.75

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Solution

The fourth proportional to 1,519,389.47, 2,278,242.82 and 621,461.75 is: 931,848.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,389.47 : 2,278,242.82 = 621,461.75 : x
  2. Step 2: Convert to fraction form
    1,519,389.47/2,278,242.82 = 621,461.75/x
  3. Step 3: Cross multiply
    1,519,389.47x = 2,278,242.82 × 621,461.75
  4. Step 4: Simplify right side
    1,519,389.47x = 1,415,840,766,734.83
  5. Step 5: Solve for x
    x = 1,415,840,766,734.83/1,519,389.47
  6. Step 6: Final answer
    x = 931,848.48

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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.