Home / 1,928,020.59-2,890,024.92-647,677.89

Finding the Fourth Proportional to 1,928,020.59, 2,890,024.92 and 647,677.89

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Solution

The fourth proportional to 1,928,020.59, 2,890,024.92 and 647,677.89 is: 970,842.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,020.59 : 2,890,024.92 = 647,677.89 : x
  2. Step 2: Convert to fraction form
    1,928,020.59/2,890,024.92 = 647,677.89/x
  3. Step 3: Cross multiply
    1,928,020.59x = 2,890,024.92 × 647,677.89
  4. Step 4: Simplify right side
    1,928,020.59x = 1,871,805,242,233.02
  5. Step 5: Solve for x
    x = 1,871,805,242,233.02/1,928,020.59
  6. Step 6: Final answer
    x = 970,842.97

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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.