Home / 1,941,657.81-2,912,485.19-521,713.89

Finding the Fourth Proportional to 1,941,657.81, 2,912,485.19 and 521,713.89

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Solution

The fourth proportional to 1,941,657.81, 2,912,485.19 and 521,713.89 is: 782,570.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,657.81 : 2,912,485.19 = 521,713.89 : x
  2. Step 2: Convert to fraction form
    1,941,657.81/2,912,485.19 = 521,713.89/x
  3. Step 3: Cross multiply
    1,941,657.81x = 2,912,485.19 × 521,713.89
  4. Step 4: Simplify right side
    1,941,657.81x = 1,519,483,975,433.72
  5. Step 5: Solve for x
    x = 1,519,483,975,433.72/1,941,657.81
  6. Step 6: Final answer
    x = 782,570.42

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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.